| /************************************************************************** |
| |
| Copyright 2002-2008 VMware, Inc. |
| |
| All Rights Reserved. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a |
| copy of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| on the rights to use, copy, modify, merge, publish, distribute, sub |
| license, and/or sell copies of the Software, and to permit persons to whom |
| the Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice (including the next |
| paragraph) shall be included in all copies or substantial portions of the |
| Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| VMWARE AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| **************************************************************************/ |
| |
| /* |
| * Authors: |
| * Keith Whitwell <keithw@vmware.com> |
| */ |
| |
| #include "main/glheader.h" |
| #include "main/bufferobj.h" |
| #include "main/context.h" |
| #include "main/macros.h" |
| #include "main/vtxfmt.h" |
| #include "main/dlist.h" |
| #include "main/eval.h" |
| #include "main/state.h" |
| #include "main/light.h" |
| #include "main/api_arrayelt.h" |
| #include "main/draw_validate.h" |
| #include "main/dispatch.h" |
| #include "util/bitscan.h" |
| |
| #include "vbo_noop.h" |
| #include "vbo_private.h" |
| |
| |
| /** ID/name for immediate-mode VBO */ |
| #define IMM_BUFFER_NAME 0xaabbccdd |
| |
| |
| static void |
| vbo_reset_all_attr(struct vbo_exec_context *exec); |
| |
| |
| /** |
| * Close off the last primitive, execute the buffer, restart the |
| * primitive. This is called when we fill a vertex buffer before |
| * hitting glEnd. |
| */ |
| static void |
| vbo_exec_wrap_buffers(struct vbo_exec_context *exec) |
| { |
| if (exec->vtx.prim_count == 0) { |
| exec->vtx.copied.nr = 0; |
| exec->vtx.vert_count = 0; |
| exec->vtx.buffer_ptr = exec->vtx.buffer_map; |
| } |
| else { |
| struct _mesa_prim *last_prim = &exec->vtx.prim[exec->vtx.prim_count - 1]; |
| const GLuint last_begin = last_prim->begin; |
| GLuint last_count; |
| |
| if (_mesa_inside_begin_end(exec->ctx)) { |
| last_prim->count = exec->vtx.vert_count - last_prim->start; |
| } |
| |
| last_count = last_prim->count; |
| |
| /* Special handling for wrapping GL_LINE_LOOP */ |
| if (last_prim->mode == GL_LINE_LOOP && |
| last_count > 0 && |
| !last_prim->end) { |
| /* draw this section of the incomplete line loop as a line strip */ |
| last_prim->mode = GL_LINE_STRIP; |
| if (!last_prim->begin) { |
| /* This is not the first section of the line loop, so don't |
| * draw the 0th vertex. We're saving it until we draw the |
| * very last section of the loop. |
| */ |
| last_prim->start++; |
| last_prim->count--; |
| } |
| } |
| |
| /* Execute the buffer and save copied vertices. |
| */ |
| if (exec->vtx.vert_count) |
| vbo_exec_vtx_flush(exec, GL_FALSE); |
| else { |
| exec->vtx.prim_count = 0; |
| exec->vtx.copied.nr = 0; |
| } |
| |
| /* Emit a glBegin to start the new list. |
| */ |
| assert(exec->vtx.prim_count == 0); |
| |
| if (_mesa_inside_begin_end(exec->ctx)) { |
| exec->vtx.prim[0].mode = exec->ctx->Driver.CurrentExecPrimitive; |
| exec->vtx.prim[0].begin = 0; |
| exec->vtx.prim[0].end = 0; |
| exec->vtx.prim[0].start = 0; |
| exec->vtx.prim[0].count = 0; |
| exec->vtx.prim_count++; |
| |
| if (exec->vtx.copied.nr == last_count) |
| exec->vtx.prim[0].begin = last_begin; |
| } |
| } |
| } |
| |
| |
| /** |
| * Deal with buffer wrapping where provoked by the vertex buffer |
| * filling up, as opposed to upgrade_vertex(). |
| */ |
| static void |
| vbo_exec_vtx_wrap(struct vbo_exec_context *exec) |
| { |
| unsigned numComponents; |
| |
| /* Run pipeline on current vertices, copy wrapped vertices |
| * to exec->vtx.copied. |
| */ |
| vbo_exec_wrap_buffers(exec); |
| |
| if (!exec->vtx.buffer_ptr) { |
| /* probably ran out of memory earlier when allocating the VBO */ |
| return; |
| } |
| |
| /* Copy stored stored vertices to start of new list. |
| */ |
| assert(exec->vtx.max_vert - exec->vtx.vert_count > exec->vtx.copied.nr); |
| |
| numComponents = exec->vtx.copied.nr * exec->vtx.vertex_size; |
| memcpy(exec->vtx.buffer_ptr, |
| exec->vtx.copied.buffer, |
| numComponents * sizeof(fi_type)); |
| exec->vtx.buffer_ptr += numComponents; |
| exec->vtx.vert_count += exec->vtx.copied.nr; |
| |
| exec->vtx.copied.nr = 0; |
| } |
| |
| |
| /** |
| * Copy the active vertex's values to the ctx->Current fields. |
| */ |
| static void |
| vbo_exec_copy_to_current(struct vbo_exec_context *exec) |
| { |
| struct gl_context *ctx = exec->ctx; |
| struct vbo_context *vbo = vbo_context(ctx); |
| GLbitfield64 enabled = exec->vtx.enabled & (~BITFIELD64_BIT(VBO_ATTRIB_POS)); |
| |
| while (enabled) { |
| const int i = u_bit_scan64(&enabled); |
| |
| /* Note: the exec->vtx.current[i] pointers point into the |
| * ctx->Current.Attrib and ctx->Light.Material.Attrib arrays. |
| */ |
| GLfloat *current = (GLfloat *)vbo->current[i].Ptr; |
| fi_type tmp[8]; /* space for doubles */ |
| int dmul = 1; |
| |
| if (exec->vtx.attrtype[i] == GL_DOUBLE || |
| exec->vtx.attrtype[i] == GL_UNSIGNED_INT64_ARB) |
| dmul = 2; |
| |
| assert(exec->vtx.attrsz[i]); |
| |
| if (exec->vtx.attrtype[i] == GL_DOUBLE || |
| exec->vtx.attrtype[i] == GL_UNSIGNED_INT64_ARB) { |
| memset(tmp, 0, sizeof(tmp)); |
| memcpy(tmp, exec->vtx.attrptr[i], exec->vtx.attrsz[i] * sizeof(GLfloat)); |
| } else { |
| COPY_CLEAN_4V_TYPE_AS_UNION(tmp, |
| exec->vtx.attrsz[i], |
| exec->vtx.attrptr[i], |
| exec->vtx.attrtype[i]); |
| } |
| |
| if (exec->vtx.attrtype[i] != vbo->current[i].Type || |
| memcmp(current, tmp, 4 * sizeof(GLfloat) * dmul) != 0) { |
| memcpy(current, tmp, 4 * sizeof(GLfloat) * dmul); |
| |
| /* Given that we explicitly state size here, there is no need |
| * for the COPY_CLEAN above, could just copy 16 bytes and be |
| * done. The only problem is when Mesa accesses ctx->Current |
| * directly. |
| */ |
| /* Size here is in components - not bytes */ |
| vbo->current[i].Size = exec->vtx.attrsz[i] / dmul; |
| vbo->current[i]._ElementSize = |
| vbo->current[i].Size * sizeof(GLfloat) * dmul; |
| vbo->current[i].Type = exec->vtx.attrtype[i]; |
| vbo->current[i].Integer = |
| vbo_attrtype_to_integer_flag(exec->vtx.attrtype[i]); |
| vbo->current[i].Doubles = |
| vbo_attrtype_to_double_flag(exec->vtx.attrtype[i]); |
| |
| /* This triggers rather too much recalculation of Mesa state |
| * that doesn't get used (eg light positions). |
| */ |
| if (i >= VBO_ATTRIB_MAT_FRONT_AMBIENT && |
| i <= VBO_ATTRIB_MAT_BACK_INDEXES) |
| ctx->NewState |= _NEW_LIGHT; |
| |
| ctx->NewState |= _NEW_CURRENT_ATTRIB; |
| } |
| } |
| |
| /* Colormaterial -- this kindof sucks. |
| */ |
| if (ctx->Light.ColorMaterialEnabled && |
| exec->vtx.attrsz[VBO_ATTRIB_COLOR0]) { |
| _mesa_update_color_material(ctx, |
| ctx->Current.Attrib[VBO_ATTRIB_COLOR0]); |
| } |
| } |
| |
| |
| /** |
| * Copy current vertex attribute values into the current vertex. |
| */ |
| static void |
| vbo_exec_copy_from_current(struct vbo_exec_context *exec) |
| { |
| struct gl_context *ctx = exec->ctx; |
| struct vbo_context *vbo = vbo_context(ctx); |
| GLint i; |
| |
| for (i = VBO_ATTRIB_POS + 1; i < VBO_ATTRIB_MAX; i++) { |
| if (exec->vtx.attrtype[i] == GL_DOUBLE || |
| exec->vtx.attrtype[i] == GL_UNSIGNED_INT64_ARB) { |
| memcpy(exec->vtx.attrptr[i], vbo->current[i].Ptr, |
| exec->vtx.attrsz[i] * sizeof(GLfloat)); |
| } else { |
| const fi_type *current = (fi_type *) vbo->current[i].Ptr; |
| switch (exec->vtx.attrsz[i]) { |
| case 4: exec->vtx.attrptr[i][3] = current[3]; |
| case 3: exec->vtx.attrptr[i][2] = current[2]; |
| case 2: exec->vtx.attrptr[i][1] = current[1]; |
| case 1: exec->vtx.attrptr[i][0] = current[0]; |
| break; |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Flush existing data, set new attrib size, replay copied vertices. |
| * This is called when we transition from a small vertex attribute size |
| * to a larger one. Ex: glTexCoord2f -> glTexCoord4f. |
| * We need to go back over the previous 2-component texcoords and insert |
| * zero and one values. |
| * \param attr VBO_ATTRIB_x vertex attribute value |
| */ |
| static void |
| vbo_exec_wrap_upgrade_vertex(struct vbo_exec_context *exec, |
| GLuint attr, GLuint newSize) |
| { |
| struct gl_context *ctx = exec->ctx; |
| struct vbo_context *vbo = vbo_context(ctx); |
| const GLint lastcount = exec->vtx.vert_count; |
| fi_type *old_attrptr[VBO_ATTRIB_MAX]; |
| const GLuint old_vtx_size = exec->vtx.vertex_size; /* floats per vertex */ |
| const GLuint oldSize = exec->vtx.attrsz[attr]; |
| GLuint i; |
| |
| assert(attr < VBO_ATTRIB_MAX); |
| |
| /* Run pipeline on current vertices, copy wrapped vertices |
| * to exec->vtx.copied. |
| */ |
| vbo_exec_wrap_buffers(exec); |
| |
| if (unlikely(exec->vtx.copied.nr)) { |
| /* We're in the middle of a primitive, keep the old vertex |
| * format around to be able to translate the copied vertices to |
| * the new format. |
| */ |
| memcpy(old_attrptr, exec->vtx.attrptr, sizeof(old_attrptr)); |
| } |
| |
| if (unlikely(oldSize)) { |
| /* Do a COPY_TO_CURRENT to ensure back-copying works for the |
| * case when the attribute already exists in the vertex and is |
| * having its size increased. |
| */ |
| vbo_exec_copy_to_current(exec); |
| } |
| |
| /* Heuristic: Attempt to isolate attributes received outside |
| * begin/end so that they don't bloat the vertices. |
| */ |
| if (!_mesa_inside_begin_end(ctx) && |
| !oldSize && lastcount > 8 && exec->vtx.vertex_size) { |
| vbo_exec_copy_to_current(exec); |
| vbo_reset_all_attr(exec); |
| } |
| |
| /* Fix up sizes: |
| */ |
| exec->vtx.attrsz[attr] = newSize; |
| exec->vtx.vertex_size += newSize - oldSize; |
| exec->vtx.max_vert = vbo_compute_max_verts(exec); |
| exec->vtx.vert_count = 0; |
| exec->vtx.buffer_ptr = exec->vtx.buffer_map; |
| exec->vtx.enabled |= BITFIELD64_BIT(attr); |
| |
| if (unlikely(oldSize)) { |
| /* Size changed, recalculate all the attrptr[] values |
| */ |
| fi_type *tmp = exec->vtx.vertex; |
| |
| for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) { |
| if (exec->vtx.attrsz[i]) { |
| exec->vtx.attrptr[i] = tmp; |
| tmp += exec->vtx.attrsz[i]; |
| } |
| else |
| exec->vtx.attrptr[i] = NULL; /* will not be dereferenced */ |
| } |
| |
| /* Copy from current to repopulate the vertex with correct |
| * values. |
| */ |
| vbo_exec_copy_from_current(exec); |
| } |
| else { |
| /* Just have to append the new attribute at the end */ |
| exec->vtx.attrptr[attr] = exec->vtx.vertex + |
| exec->vtx.vertex_size - newSize; |
| } |
| |
| /* Replay stored vertices to translate them |
| * to new format here. |
| * |
| * -- No need to replay - just copy piecewise |
| */ |
| if (unlikely(exec->vtx.copied.nr)) { |
| fi_type *data = exec->vtx.copied.buffer; |
| fi_type *dest = exec->vtx.buffer_ptr; |
| |
| assert(exec->vtx.buffer_ptr == exec->vtx.buffer_map); |
| |
| for (i = 0 ; i < exec->vtx.copied.nr ; i++) { |
| GLbitfield64 enabled = exec->vtx.enabled; |
| while (enabled) { |
| const int j = u_bit_scan64(&enabled); |
| GLuint sz = exec->vtx.attrsz[j]; |
| GLint old_offset = old_attrptr[j] - exec->vtx.vertex; |
| GLint new_offset = exec->vtx.attrptr[j] - exec->vtx.vertex; |
| |
| assert(sz); |
| |
| if (j == attr) { |
| if (oldSize) { |
| fi_type tmp[4]; |
| COPY_CLEAN_4V_TYPE_AS_UNION(tmp, oldSize, |
| data + old_offset, |
| exec->vtx.attrtype[j]); |
| COPY_SZ_4V(dest + new_offset, newSize, tmp); |
| } else { |
| fi_type *current = (fi_type *)vbo->current[j].Ptr; |
| COPY_SZ_4V(dest + new_offset, sz, current); |
| } |
| } |
| else { |
| COPY_SZ_4V(dest + new_offset, sz, data + old_offset); |
| } |
| } |
| |
| data += old_vtx_size; |
| dest += exec->vtx.vertex_size; |
| } |
| |
| exec->vtx.buffer_ptr = dest; |
| exec->vtx.vert_count += exec->vtx.copied.nr; |
| exec->vtx.copied.nr = 0; |
| } |
| } |
| |
| |
| /** |
| * This is when a vertex attribute transitions to a different size. |
| * For example, we saw a bunch of glTexCoord2f() calls and now we got a |
| * glTexCoord4f() call. We promote the array from size=2 to size=4. |
| * \param newSize size of new vertex (number of 32-bit words). |
| * \param attr VBO_ATTRIB_x vertex attribute value |
| */ |
| static void |
| vbo_exec_fixup_vertex(struct gl_context *ctx, GLuint attr, |
| GLuint newSize, GLenum newType) |
| { |
| struct vbo_exec_context *exec = &vbo_context(ctx)->exec; |
| |
| assert(attr < VBO_ATTRIB_MAX); |
| |
| if (newSize > exec->vtx.attrsz[attr] || |
| newType != exec->vtx.attrtype[attr]) { |
| /* New size is larger. Need to flush existing vertices and get |
| * an enlarged vertex format. |
| */ |
| vbo_exec_wrap_upgrade_vertex(exec, attr, newSize); |
| } |
| else if (newSize < exec->vtx.active_sz[attr]) { |
| GLuint i; |
| const fi_type *id = |
| vbo_get_default_vals_as_union(exec->vtx.attrtype[attr]); |
| |
| /* New size is smaller - just need to fill in some |
| * zeros. Don't need to flush or wrap. |
| */ |
| for (i = newSize; i <= exec->vtx.attrsz[attr]; i++) |
| exec->vtx.attrptr[attr][i-1] = id[i-1]; |
| } |
| |
| exec->vtx.active_sz[attr] = newSize; |
| exec->vtx.attrtype[attr] = newType; |
| |
| /* Does setting NeedFlush belong here? Necessitates resetting |
| * vtxfmt on each flush (otherwise flags won't get reset |
| * afterwards). |
| */ |
| if (attr == 0) |
| ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; |
| } |
| |
| |
| /** |
| * Called upon first glVertex, glColor, glTexCoord, etc. |
| */ |
| static void |
| vbo_exec_begin_vertices(struct gl_context *ctx) |
| { |
| struct vbo_exec_context *exec = &vbo_context(ctx)->exec; |
| |
| vbo_exec_vtx_map(exec); |
| |
| assert((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0); |
| assert(exec->begin_vertices_flags); |
| |
| ctx->Driver.NeedFlush |= exec->begin_vertices_flags; |
| } |
| |
| |
| /** |
| * This macro is used to implement all the glVertex, glColor, glTexCoord, |
| * glVertexAttrib, etc functions. |
| * \param A VBO_ATTRIB_x attribute index |
| * \param N attribute size (1..4) |
| * \param T type (GL_FLOAT, GL_DOUBLE, GL_INT, GL_UNSIGNED_INT) |
| * \param C cast type (fi_type or double) |
| * \param V0, V1, v2, V3 attribute value |
| */ |
| #define ATTR_UNION(A, N, T, C, V0, V1, V2, V3) \ |
| do { \ |
| struct vbo_exec_context *exec = &vbo_context(ctx)->exec; \ |
| int sz = (sizeof(C) / sizeof(GLfloat)); \ |
| \ |
| assert(sz == 1 || sz == 2); \ |
| \ |
| /* check if attribute size or type is changing */ \ |
| if (unlikely(exec->vtx.active_sz[A] != N * sz) || \ |
| unlikely(exec->vtx.attrtype[A] != T)) { \ |
| vbo_exec_fixup_vertex(ctx, A, N * sz, T); \ |
| } \ |
| \ |
| /* store vertex attribute in vertex buffer */ \ |
| { \ |
| C *dest = (C *)exec->vtx.attrptr[A]; \ |
| if (N>0) dest[0] = V0; \ |
| if (N>1) dest[1] = V1; \ |
| if (N>2) dest[2] = V2; \ |
| if (N>3) dest[3] = V3; \ |
| assert(exec->vtx.attrtype[A] == T); \ |
| } \ |
| \ |
| if ((A) == 0) { \ |
| /* This is a glVertex call */ \ |
| GLuint i; \ |
| \ |
| if (unlikely((ctx->Driver.NeedFlush & FLUSH_UPDATE_CURRENT) == 0)) { \ |
| vbo_exec_begin_vertices(ctx); \ |
| } \ |
| \ |
| if (unlikely(!exec->vtx.buffer_ptr)) { \ |
| vbo_exec_vtx_map(exec); \ |
| } \ |
| assert(exec->vtx.buffer_ptr); \ |
| \ |
| /* copy 32-bit words */ \ |
| for (i = 0; i < exec->vtx.vertex_size; i++) \ |
| exec->vtx.buffer_ptr[i] = exec->vtx.vertex[i]; \ |
| \ |
| exec->vtx.buffer_ptr += exec->vtx.vertex_size; \ |
| \ |
| /* Set FLUSH_STORED_VERTICES to indicate that there's now */ \ |
| /* something to draw (not just updating a color or texcoord).*/ \ |
| ctx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; \ |
| \ |
| if (++exec->vtx.vert_count >= exec->vtx.max_vert) \ |
| vbo_exec_vtx_wrap(exec); \ |
| } else { \ |
| /* we now have accumulated per-vertex attributes */ \ |
| ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT; \ |
| } \ |
| } while (0) |
| |
| |
| #undef ERROR |
| #define ERROR(err) _mesa_error(ctx, err, __func__) |
| #define TAG(x) vbo_##x |
| |
| #include "vbo_attrib_tmp.h" |
| |
| |
| |
| /** |
| * Execute a glMaterial call. Note that if GL_COLOR_MATERIAL is enabled, |
| * this may be a (partial) no-op. |
| */ |
| static void GLAPIENTRY |
| vbo_Materialfv(GLenum face, GLenum pname, const GLfloat *params) |
| { |
| GLbitfield updateMats; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| /* This function should be a no-op when it tries to update material |
| * attributes which are currently tracking glColor via glColorMaterial. |
| * The updateMats var will be a mask of the MAT_BIT_FRONT/BACK_x bits |
| * indicating which material attributes can actually be updated below. |
| */ |
| if (ctx->Light.ColorMaterialEnabled) { |
| updateMats = ~ctx->Light._ColorMaterialBitmask; |
| } |
| else { |
| /* GL_COLOR_MATERIAL is disabled so don't skip any material updates */ |
| updateMats = ALL_MATERIAL_BITS; |
| } |
| |
| if (ctx->API == API_OPENGL_COMPAT && face == GL_FRONT) { |
| updateMats &= FRONT_MATERIAL_BITS; |
| } |
| else if (ctx->API == API_OPENGL_COMPAT && face == GL_BACK) { |
| updateMats &= BACK_MATERIAL_BITS; |
| } |
| else if (face != GL_FRONT_AND_BACK) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glMaterial(invalid face)"); |
| return; |
| } |
| |
| switch (pname) { |
| case GL_EMISSION: |
| if (updateMats & MAT_BIT_FRONT_EMISSION) |
| MAT_ATTR(VBO_ATTRIB_MAT_FRONT_EMISSION, 4, params); |
| if (updateMats & MAT_BIT_BACK_EMISSION) |
| MAT_ATTR(VBO_ATTRIB_MAT_BACK_EMISSION, 4, params); |
| break; |
| case GL_AMBIENT: |
| if (updateMats & MAT_BIT_FRONT_AMBIENT) |
| MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT, 4, params); |
| if (updateMats & MAT_BIT_BACK_AMBIENT) |
| MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT, 4, params); |
| break; |
| case GL_DIFFUSE: |
| if (updateMats & MAT_BIT_FRONT_DIFFUSE) |
| MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE, 4, params); |
| if (updateMats & MAT_BIT_BACK_DIFFUSE) |
| MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE, 4, params); |
| break; |
| case GL_SPECULAR: |
| if (updateMats & MAT_BIT_FRONT_SPECULAR) |
| MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SPECULAR, 4, params); |
| if (updateMats & MAT_BIT_BACK_SPECULAR) |
| MAT_ATTR(VBO_ATTRIB_MAT_BACK_SPECULAR, 4, params); |
| break; |
| case GL_SHININESS: |
| if (*params < 0 || *params > ctx->Const.MaxShininess) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glMaterial(invalid shininess: %f out range [0, %f])", |
| *params, ctx->Const.MaxShininess); |
| return; |
| } |
| if (updateMats & MAT_BIT_FRONT_SHININESS) |
| MAT_ATTR(VBO_ATTRIB_MAT_FRONT_SHININESS, 1, params); |
| if (updateMats & MAT_BIT_BACK_SHININESS) |
| MAT_ATTR(VBO_ATTRIB_MAT_BACK_SHININESS, 1, params); |
| break; |
| case GL_COLOR_INDEXES: |
| if (ctx->API != API_OPENGL_COMPAT) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glMaterialfv(pname)"); |
| return; |
| } |
| if (updateMats & MAT_BIT_FRONT_INDEXES) |
| MAT_ATTR(VBO_ATTRIB_MAT_FRONT_INDEXES, 3, params); |
| if (updateMats & MAT_BIT_BACK_INDEXES) |
| MAT_ATTR(VBO_ATTRIB_MAT_BACK_INDEXES, 3, params); |
| break; |
| case GL_AMBIENT_AND_DIFFUSE: |
| if (updateMats & MAT_BIT_FRONT_AMBIENT) |
| MAT_ATTR(VBO_ATTRIB_MAT_FRONT_AMBIENT, 4, params); |
| if (updateMats & MAT_BIT_FRONT_DIFFUSE) |
| MAT_ATTR(VBO_ATTRIB_MAT_FRONT_DIFFUSE, 4, params); |
| if (updateMats & MAT_BIT_BACK_AMBIENT) |
| MAT_ATTR(VBO_ATTRIB_MAT_BACK_AMBIENT, 4, params); |
| if (updateMats & MAT_BIT_BACK_DIFFUSE) |
| MAT_ATTR(VBO_ATTRIB_MAT_BACK_DIFFUSE, 4, params); |
| break; |
| default: |
| _mesa_error(ctx, GL_INVALID_ENUM, "glMaterialfv(pname)"); |
| return; |
| } |
| } |
| |
| |
| /** |
| * Flush (draw) vertices. |
| * \param unmap - leave VBO unmapped after flushing? |
| */ |
| static void |
| vbo_exec_FlushVertices_internal(struct vbo_exec_context *exec, GLboolean unmap) |
| { |
| if (exec->vtx.vert_count || unmap) { |
| vbo_exec_vtx_flush(exec, unmap); |
| } |
| |
| if (exec->vtx.vertex_size) { |
| vbo_exec_copy_to_current(exec); |
| vbo_reset_all_attr(exec); |
| } |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_EvalCoord1f(GLfloat u) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct vbo_exec_context *exec = &vbo_context(ctx)->exec; |
| |
| { |
| GLint i; |
| if (exec->eval.recalculate_maps) |
| vbo_exec_eval_update(exec); |
| |
| for (i = 0; i <= VBO_ATTRIB_TEX7; i++) { |
| if (exec->eval.map1[i].map) |
| if (exec->vtx.active_sz[i] != exec->eval.map1[i].sz) |
| vbo_exec_fixup_vertex(ctx, i, exec->eval.map1[i].sz, GL_FLOAT); |
| } |
| } |
| |
| memcpy(exec->vtx.copied.buffer, exec->vtx.vertex, |
| exec->vtx.vertex_size * sizeof(GLfloat)); |
| |
| vbo_exec_do_EvalCoord1f(exec, u); |
| |
| memcpy(exec->vtx.vertex, exec->vtx.copied.buffer, |
| exec->vtx.vertex_size * sizeof(GLfloat)); |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_EvalCoord2f(GLfloat u, GLfloat v) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct vbo_exec_context *exec = &vbo_context(ctx)->exec; |
| |
| { |
| GLint i; |
| if (exec->eval.recalculate_maps) |
| vbo_exec_eval_update(exec); |
| |
| for (i = 0; i <= VBO_ATTRIB_TEX7; i++) { |
| if (exec->eval.map2[i].map) |
| if (exec->vtx.active_sz[i] != exec->eval.map2[i].sz) |
| vbo_exec_fixup_vertex(ctx, i, exec->eval.map2[i].sz, GL_FLOAT); |
| } |
| |
| if (ctx->Eval.AutoNormal) |
| if (exec->vtx.active_sz[VBO_ATTRIB_NORMAL] != 3) |
| vbo_exec_fixup_vertex(ctx, VBO_ATTRIB_NORMAL, 3, GL_FLOAT); |
| } |
| |
| memcpy(exec->vtx.copied.buffer, exec->vtx.vertex, |
| exec->vtx.vertex_size * sizeof(GLfloat)); |
| |
| vbo_exec_do_EvalCoord2f(exec, u, v); |
| |
| memcpy(exec->vtx.vertex, exec->vtx.copied.buffer, |
| exec->vtx.vertex_size * sizeof(GLfloat)); |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_EvalCoord1fv(const GLfloat *u) |
| { |
| vbo_exec_EvalCoord1f(u[0]); |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_EvalCoord2fv(const GLfloat *u) |
| { |
| vbo_exec_EvalCoord2f(u[0], u[1]); |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_EvalPoint1(GLint i) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLfloat du = ((ctx->Eval.MapGrid1u2 - ctx->Eval.MapGrid1u1) / |
| (GLfloat) ctx->Eval.MapGrid1un); |
| GLfloat u = i * du + ctx->Eval.MapGrid1u1; |
| |
| vbo_exec_EvalCoord1f(u); |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_EvalPoint2(GLint i, GLint j) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLfloat du = ((ctx->Eval.MapGrid2u2 - ctx->Eval.MapGrid2u1) / |
| (GLfloat) ctx->Eval.MapGrid2un); |
| GLfloat dv = ((ctx->Eval.MapGrid2v2 - ctx->Eval.MapGrid2v1) / |
| (GLfloat) ctx->Eval.MapGrid2vn); |
| GLfloat u = i * du + ctx->Eval.MapGrid2u1; |
| GLfloat v = j * dv + ctx->Eval.MapGrid2v1; |
| |
| vbo_exec_EvalCoord2f(u, v); |
| } |
| |
| |
| /** |
| * Called via glBegin. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_Begin(GLenum mode) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| int i; |
| |
| if (_mesa_inside_begin_end(ctx)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glBegin"); |
| return; |
| } |
| |
| if (!_mesa_valid_prim_mode(ctx, mode, "glBegin")) { |
| return; |
| } |
| |
| if (ctx->NewState) { |
| _mesa_update_state(ctx); |
| |
| CALL_Begin(ctx->Exec, (mode)); |
| return; |
| } |
| |
| if (!_mesa_valid_to_render(ctx, "glBegin")) { |
| return; |
| } |
| |
| /* Heuristic: attempt to isolate attributes occurring outside |
| * begin/end pairs. |
| */ |
| if (exec->vtx.vertex_size && !exec->vtx.attrsz[0]) |
| vbo_exec_FlushVertices_internal(exec, GL_FALSE); |
| |
| i = exec->vtx.prim_count++; |
| exec->vtx.prim[i].mode = mode; |
| exec->vtx.prim[i].begin = 1; |
| exec->vtx.prim[i].end = 0; |
| exec->vtx.prim[i].indexed = 0; |
| exec->vtx.prim[i].weak = 0; |
| exec->vtx.prim[i].pad = 0; |
| exec->vtx.prim[i].start = exec->vtx.vert_count; |
| exec->vtx.prim[i].count = 0; |
| exec->vtx.prim[i].num_instances = 1; |
| exec->vtx.prim[i].base_instance = 0; |
| exec->vtx.prim[i].is_indirect = 0; |
| |
| ctx->Driver.CurrentExecPrimitive = mode; |
| |
| ctx->Exec = ctx->BeginEnd; |
| /* We may have been called from a display list, in which case we should |
| * leave dlist.c's dispatch table in place. |
| */ |
| if (ctx->CurrentClientDispatch == ctx->OutsideBeginEnd) { |
| ctx->CurrentClientDispatch = ctx->BeginEnd; |
| _glapi_set_dispatch(ctx->CurrentClientDispatch); |
| } else { |
| assert(ctx->CurrentClientDispatch == ctx->Save); |
| } |
| } |
| |
| |
| /** |
| * Try to merge / concatenate the two most recent VBO primitives. |
| */ |
| static void |
| try_vbo_merge(struct vbo_exec_context *exec) |
| { |
| struct _mesa_prim *cur = &exec->vtx.prim[exec->vtx.prim_count - 1]; |
| |
| assert(exec->vtx.prim_count >= 1); |
| |
| vbo_try_prim_conversion(cur); |
| |
| if (exec->vtx.prim_count >= 2) { |
| struct _mesa_prim *prev = &exec->vtx.prim[exec->vtx.prim_count - 2]; |
| assert(prev == cur - 1); |
| |
| if (vbo_can_merge_prims(prev, cur)) { |
| assert(cur->begin); |
| assert(cur->end); |
| assert(prev->begin); |
| assert(prev->end); |
| vbo_merge_prims(prev, cur); |
| exec->vtx.prim_count--; /* drop the last primitive */ |
| } |
| } |
| } |
| |
| |
| /** |
| * Called via glEnd. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_End(void) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct vbo_exec_context *exec = &vbo_context(ctx)->exec; |
| |
| if (!_mesa_inside_begin_end(ctx)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glEnd"); |
| return; |
| } |
| |
| ctx->Exec = ctx->OutsideBeginEnd; |
| if (ctx->CurrentClientDispatch == ctx->BeginEnd) { |
| ctx->CurrentClientDispatch = ctx->OutsideBeginEnd; |
| _glapi_set_dispatch(ctx->CurrentClientDispatch); |
| } |
| |
| if (exec->vtx.prim_count > 0) { |
| /* close off current primitive */ |
| struct _mesa_prim *last_prim = &exec->vtx.prim[exec->vtx.prim_count - 1]; |
| |
| last_prim->end = 1; |
| last_prim->count = exec->vtx.vert_count - last_prim->start; |
| |
| /* Special handling for GL_LINE_LOOP */ |
| if (last_prim->mode == GL_LINE_LOOP && last_prim->begin == 0) { |
| /* We're finishing drawing a line loop. Append 0th vertex onto |
| * end of vertex buffer so we can draw it as a line strip. |
| */ |
| const fi_type *src = exec->vtx.buffer_map + |
| last_prim->start * exec->vtx.vertex_size; |
| fi_type *dst = exec->vtx.buffer_map + |
| exec->vtx.vert_count * exec->vtx.vertex_size; |
| |
| /* copy 0th vertex to end of buffer */ |
| memcpy(dst, src, exec->vtx.vertex_size * sizeof(fi_type)); |
| |
| last_prim->start++; /* skip vertex0 */ |
| /* note that last_prim->count stays unchanged */ |
| last_prim->mode = GL_LINE_STRIP; |
| |
| /* Increment the vertex count so the next primitive doesn't |
| * overwrite the last vertex which we just added. |
| */ |
| exec->vtx.vert_count++; |
| exec->vtx.buffer_ptr += exec->vtx.vertex_size; |
| } |
| |
| try_vbo_merge(exec); |
| } |
| |
| ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END; |
| |
| if (exec->vtx.prim_count == VBO_MAX_PRIM) |
| vbo_exec_vtx_flush(exec, GL_FALSE); |
| |
| if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { |
| _mesa_flush(ctx); |
| } |
| } |
| |
| |
| /** |
| * Called via glPrimitiveRestartNV() |
| */ |
| static void GLAPIENTRY |
| vbo_exec_PrimitiveRestartNV(void) |
| { |
| GLenum curPrim; |
| GET_CURRENT_CONTEXT(ctx); |
| |
| curPrim = ctx->Driver.CurrentExecPrimitive; |
| |
| if (curPrim == PRIM_OUTSIDE_BEGIN_END) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glPrimitiveRestartNV"); |
| } |
| else { |
| vbo_exec_End(); |
| vbo_exec_Begin(curPrim); |
| } |
| } |
| |
| |
| static void |
| vbo_exec_vtxfmt_init(struct vbo_exec_context *exec) |
| { |
| struct gl_context *ctx = exec->ctx; |
| GLvertexformat *vfmt = &exec->vtxfmt; |
| |
| vfmt->ArrayElement = _ae_ArrayElement; |
| |
| vfmt->Begin = vbo_exec_Begin; |
| vfmt->End = vbo_exec_End; |
| vfmt->PrimitiveRestartNV = vbo_exec_PrimitiveRestartNV; |
| |
| vfmt->CallList = _mesa_CallList; |
| vfmt->CallLists = _mesa_CallLists; |
| |
| vfmt->EvalCoord1f = vbo_exec_EvalCoord1f; |
| vfmt->EvalCoord1fv = vbo_exec_EvalCoord1fv; |
| vfmt->EvalCoord2f = vbo_exec_EvalCoord2f; |
| vfmt->EvalCoord2fv = vbo_exec_EvalCoord2fv; |
| vfmt->EvalPoint1 = vbo_exec_EvalPoint1; |
| vfmt->EvalPoint2 = vbo_exec_EvalPoint2; |
| |
| /* from attrib_tmp.h: |
| */ |
| vfmt->Color3f = vbo_Color3f; |
| vfmt->Color3fv = vbo_Color3fv; |
| vfmt->Color4f = vbo_Color4f; |
| vfmt->Color4fv = vbo_Color4fv; |
| vfmt->FogCoordfEXT = vbo_FogCoordfEXT; |
| vfmt->FogCoordfvEXT = vbo_FogCoordfvEXT; |
| vfmt->MultiTexCoord1fARB = vbo_MultiTexCoord1f; |
| vfmt->MultiTexCoord1fvARB = vbo_MultiTexCoord1fv; |
| vfmt->MultiTexCoord2fARB = vbo_MultiTexCoord2f; |
| vfmt->MultiTexCoord2fvARB = vbo_MultiTexCoord2fv; |
| vfmt->MultiTexCoord3fARB = vbo_MultiTexCoord3f; |
| vfmt->MultiTexCoord3fvARB = vbo_MultiTexCoord3fv; |
| vfmt->MultiTexCoord4fARB = vbo_MultiTexCoord4f; |
| vfmt->MultiTexCoord4fvARB = vbo_MultiTexCoord4fv; |
| vfmt->Normal3f = vbo_Normal3f; |
| vfmt->Normal3fv = vbo_Normal3fv; |
| vfmt->SecondaryColor3fEXT = vbo_SecondaryColor3fEXT; |
| vfmt->SecondaryColor3fvEXT = vbo_SecondaryColor3fvEXT; |
| vfmt->TexCoord1f = vbo_TexCoord1f; |
| vfmt->TexCoord1fv = vbo_TexCoord1fv; |
| vfmt->TexCoord2f = vbo_TexCoord2f; |
| vfmt->TexCoord2fv = vbo_TexCoord2fv; |
| vfmt->TexCoord3f = vbo_TexCoord3f; |
| vfmt->TexCoord3fv = vbo_TexCoord3fv; |
| vfmt->TexCoord4f = vbo_TexCoord4f; |
| vfmt->TexCoord4fv = vbo_TexCoord4fv; |
| vfmt->Vertex2f = vbo_Vertex2f; |
| vfmt->Vertex2fv = vbo_Vertex2fv; |
| vfmt->Vertex3f = vbo_Vertex3f; |
| vfmt->Vertex3fv = vbo_Vertex3fv; |
| vfmt->Vertex4f = vbo_Vertex4f; |
| vfmt->Vertex4fv = vbo_Vertex4fv; |
| |
| if (ctx->API == API_OPENGLES2) { |
| vfmt->VertexAttrib1fARB = _es_VertexAttrib1f; |
| vfmt->VertexAttrib1fvARB = _es_VertexAttrib1fv; |
| vfmt->VertexAttrib2fARB = _es_VertexAttrib2f; |
| vfmt->VertexAttrib2fvARB = _es_VertexAttrib2fv; |
| vfmt->VertexAttrib3fARB = _es_VertexAttrib3f; |
| vfmt->VertexAttrib3fvARB = _es_VertexAttrib3fv; |
| vfmt->VertexAttrib4fARB = _es_VertexAttrib4f; |
| vfmt->VertexAttrib4fvARB = _es_VertexAttrib4fv; |
| } else { |
| vfmt->VertexAttrib1fARB = vbo_VertexAttrib1fARB; |
| vfmt->VertexAttrib1fvARB = vbo_VertexAttrib1fvARB; |
| vfmt->VertexAttrib2fARB = vbo_VertexAttrib2fARB; |
| vfmt->VertexAttrib2fvARB = vbo_VertexAttrib2fvARB; |
| vfmt->VertexAttrib3fARB = vbo_VertexAttrib3fARB; |
| vfmt->VertexAttrib3fvARB = vbo_VertexAttrib3fvARB; |
| vfmt->VertexAttrib4fARB = vbo_VertexAttrib4fARB; |
| vfmt->VertexAttrib4fvARB = vbo_VertexAttrib4fvARB; |
| } |
| |
| /* Note that VertexAttrib4fNV is used from dlist.c and api_arrayelt.c so |
| * they can have a single entrypoint for updating any of the legacy |
| * attribs. |
| */ |
| vfmt->VertexAttrib1fNV = vbo_VertexAttrib1fNV; |
| vfmt->VertexAttrib1fvNV = vbo_VertexAttrib1fvNV; |
| vfmt->VertexAttrib2fNV = vbo_VertexAttrib2fNV; |
| vfmt->VertexAttrib2fvNV = vbo_VertexAttrib2fvNV; |
| vfmt->VertexAttrib3fNV = vbo_VertexAttrib3fNV; |
| vfmt->VertexAttrib3fvNV = vbo_VertexAttrib3fvNV; |
| vfmt->VertexAttrib4fNV = vbo_VertexAttrib4fNV; |
| vfmt->VertexAttrib4fvNV = vbo_VertexAttrib4fvNV; |
| |
| /* integer-valued */ |
| vfmt->VertexAttribI1i = vbo_VertexAttribI1i; |
| vfmt->VertexAttribI2i = vbo_VertexAttribI2i; |
| vfmt->VertexAttribI3i = vbo_VertexAttribI3i; |
| vfmt->VertexAttribI4i = vbo_VertexAttribI4i; |
| vfmt->VertexAttribI2iv = vbo_VertexAttribI2iv; |
| vfmt->VertexAttribI3iv = vbo_VertexAttribI3iv; |
| vfmt->VertexAttribI4iv = vbo_VertexAttribI4iv; |
| |
| /* unsigned integer-valued */ |
| vfmt->VertexAttribI1ui = vbo_VertexAttribI1ui; |
| vfmt->VertexAttribI2ui = vbo_VertexAttribI2ui; |
| vfmt->VertexAttribI3ui = vbo_VertexAttribI3ui; |
| vfmt->VertexAttribI4ui = vbo_VertexAttribI4ui; |
| vfmt->VertexAttribI2uiv = vbo_VertexAttribI2uiv; |
| vfmt->VertexAttribI3uiv = vbo_VertexAttribI3uiv; |
| vfmt->VertexAttribI4uiv = vbo_VertexAttribI4uiv; |
| |
| vfmt->Materialfv = vbo_Materialfv; |
| |
| vfmt->EdgeFlag = vbo_EdgeFlag; |
| vfmt->Indexf = vbo_Indexf; |
| vfmt->Indexfv = vbo_Indexfv; |
| |
| /* ARB_vertex_type_2_10_10_10_rev */ |
| vfmt->VertexP2ui = vbo_VertexP2ui; |
| vfmt->VertexP2uiv = vbo_VertexP2uiv; |
| vfmt->VertexP3ui = vbo_VertexP3ui; |
| vfmt->VertexP3uiv = vbo_VertexP3uiv; |
| vfmt->VertexP4ui = vbo_VertexP4ui; |
| vfmt->VertexP4uiv = vbo_VertexP4uiv; |
| |
| vfmt->TexCoordP1ui = vbo_TexCoordP1ui; |
| vfmt->TexCoordP1uiv = vbo_TexCoordP1uiv; |
| vfmt->TexCoordP2ui = vbo_TexCoordP2ui; |
| vfmt->TexCoordP2uiv = vbo_TexCoordP2uiv; |
| vfmt->TexCoordP3ui = vbo_TexCoordP3ui; |
| vfmt->TexCoordP3uiv = vbo_TexCoordP3uiv; |
| vfmt->TexCoordP4ui = vbo_TexCoordP4ui; |
| vfmt->TexCoordP4uiv = vbo_TexCoordP4uiv; |
| |
| vfmt->MultiTexCoordP1ui = vbo_MultiTexCoordP1ui; |
| vfmt->MultiTexCoordP1uiv = vbo_MultiTexCoordP1uiv; |
| vfmt->MultiTexCoordP2ui = vbo_MultiTexCoordP2ui; |
| vfmt->MultiTexCoordP2uiv = vbo_MultiTexCoordP2uiv; |
| vfmt->MultiTexCoordP3ui = vbo_MultiTexCoordP3ui; |
| vfmt->MultiTexCoordP3uiv = vbo_MultiTexCoordP3uiv; |
| vfmt->MultiTexCoordP4ui = vbo_MultiTexCoordP4ui; |
| vfmt->MultiTexCoordP4uiv = vbo_MultiTexCoordP4uiv; |
| |
| vfmt->NormalP3ui = vbo_NormalP3ui; |
| vfmt->NormalP3uiv = vbo_NormalP3uiv; |
| |
| vfmt->ColorP3ui = vbo_ColorP3ui; |
| vfmt->ColorP3uiv = vbo_ColorP3uiv; |
| vfmt->ColorP4ui = vbo_ColorP4ui; |
| vfmt->ColorP4uiv = vbo_ColorP4uiv; |
| |
| vfmt->SecondaryColorP3ui = vbo_SecondaryColorP3ui; |
| vfmt->SecondaryColorP3uiv = vbo_SecondaryColorP3uiv; |
| |
| vfmt->VertexAttribP1ui = vbo_VertexAttribP1ui; |
| vfmt->VertexAttribP1uiv = vbo_VertexAttribP1uiv; |
| vfmt->VertexAttribP2ui = vbo_VertexAttribP2ui; |
| vfmt->VertexAttribP2uiv = vbo_VertexAttribP2uiv; |
| vfmt->VertexAttribP3ui = vbo_VertexAttribP3ui; |
| vfmt->VertexAttribP3uiv = vbo_VertexAttribP3uiv; |
| vfmt->VertexAttribP4ui = vbo_VertexAttribP4ui; |
| vfmt->VertexAttribP4uiv = vbo_VertexAttribP4uiv; |
| |
| vfmt->VertexAttribL1d = vbo_VertexAttribL1d; |
| vfmt->VertexAttribL2d = vbo_VertexAttribL2d; |
| vfmt->VertexAttribL3d = vbo_VertexAttribL3d; |
| vfmt->VertexAttribL4d = vbo_VertexAttribL4d; |
| |
| vfmt->VertexAttribL1dv = vbo_VertexAttribL1dv; |
| vfmt->VertexAttribL2dv = vbo_VertexAttribL2dv; |
| vfmt->VertexAttribL3dv = vbo_VertexAttribL3dv; |
| vfmt->VertexAttribL4dv = vbo_VertexAttribL4dv; |
| |
| vfmt->VertexAttribL1ui64ARB = vbo_VertexAttribL1ui64ARB; |
| vfmt->VertexAttribL1ui64vARB = vbo_VertexAttribL1ui64vARB; |
| } |
| |
| |
| /** |
| * Tell the VBO module to use a real OpenGL vertex buffer object to |
| * store accumulated immediate-mode vertex data. |
| * This replaces the malloced buffer which was created in |
| * vb_exec_vtx_init() below. |
| */ |
| void |
| vbo_use_buffer_objects(struct gl_context *ctx) |
| { |
| struct vbo_exec_context *exec = &vbo_context(ctx)->exec; |
| /* Any buffer name but 0 can be used here since this bufferobj won't |
| * go into the bufferobj hashtable. |
| */ |
| GLuint bufName = IMM_BUFFER_NAME; |
| GLenum target = GL_ARRAY_BUFFER_ARB; |
| GLenum usage = GL_STREAM_DRAW_ARB; |
| GLsizei size = VBO_VERT_BUFFER_SIZE; |
| |
| /* Make sure this func is only used once */ |
| assert(exec->vtx.bufferobj == ctx->Shared->NullBufferObj); |
| |
| _mesa_align_free(exec->vtx.buffer_map); |
| exec->vtx.buffer_map = NULL; |
| exec->vtx.buffer_ptr = NULL; |
| |
| /* Allocate a real buffer object now */ |
| _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL); |
| exec->vtx.bufferobj = ctx->Driver.NewBufferObject(ctx, bufName); |
| if (!ctx->Driver.BufferData(ctx, target, size, NULL, usage, |
| GL_MAP_WRITE_BIT | |
| GL_DYNAMIC_STORAGE_BIT | |
| GL_CLIENT_STORAGE_BIT, |
| exec->vtx.bufferobj)) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "VBO allocation"); |
| } |
| } |
| |
| |
| /** |
| * If this function is called, all VBO buffers will be unmapped when |
| * we flush. |
| * Otherwise, if a simple command like glColor3f() is called and we flush, |
| * the current VBO may be left mapped. |
| */ |
| void |
| vbo_always_unmap_buffers(struct gl_context *ctx) |
| { |
| struct vbo_exec_context *exec = &vbo_context(ctx)->exec; |
| exec->begin_vertices_flags |= FLUSH_STORED_VERTICES; |
| } |
| |
| |
| void |
| vbo_exec_vtx_init(struct vbo_exec_context *exec) |
| { |
| struct gl_context *ctx = exec->ctx; |
| GLuint i; |
| |
| /* Allocate a buffer object. Will just reuse this object |
| * continuously, unless vbo_use_buffer_objects() is called to enable |
| * use of real VBOs. |
| */ |
| _mesa_reference_buffer_object(ctx, |
| &exec->vtx.bufferobj, |
| ctx->Shared->NullBufferObj); |
| |
| assert(!exec->vtx.buffer_map); |
| exec->vtx.buffer_map = _mesa_align_malloc(VBO_VERT_BUFFER_SIZE, 64); |
| exec->vtx.buffer_ptr = exec->vtx.buffer_map; |
| |
| vbo_exec_vtxfmt_init(exec); |
| _mesa_noop_vtxfmt_init(&exec->vtxfmt_noop); |
| |
| exec->vtx.enabled = 0; |
| for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) { |
| assert(i < ARRAY_SIZE(exec->vtx.attrsz)); |
| exec->vtx.attrsz[i] = 0; |
| assert(i < ARRAY_SIZE(exec->vtx.attrtype)); |
| exec->vtx.attrtype[i] = GL_FLOAT; |
| assert(i < ARRAY_SIZE(exec->vtx.active_sz)); |
| exec->vtx.active_sz[i] = 0; |
| } |
| |
| exec->vtx.vertex_size = 0; |
| |
| exec->begin_vertices_flags = FLUSH_UPDATE_CURRENT; |
| } |
| |
| |
| void |
| vbo_exec_vtx_destroy(struct vbo_exec_context *exec) |
| { |
| /* using a real VBO for vertex data */ |
| struct gl_context *ctx = exec->ctx; |
| |
| /* True VBOs should already be unmapped |
| */ |
| if (exec->vtx.buffer_map) { |
| assert(exec->vtx.bufferobj->Name == 0 || |
| exec->vtx.bufferobj->Name == IMM_BUFFER_NAME); |
| if (exec->vtx.bufferobj->Name == 0) { |
| _mesa_align_free(exec->vtx.buffer_map); |
| exec->vtx.buffer_map = NULL; |
| exec->vtx.buffer_ptr = NULL; |
| } |
| } |
| |
| /* Free the vertex buffer. Unmap first if needed. |
| */ |
| if (_mesa_bufferobj_mapped(exec->vtx.bufferobj, MAP_INTERNAL)) { |
| ctx->Driver.UnmapBuffer(ctx, exec->vtx.bufferobj, MAP_INTERNAL); |
| } |
| _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL); |
| } |
| |
| |
| /** |
| * If inside glBegin()/glEnd(), it should assert(0). Otherwise, if |
| * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered |
| * vertices, if FLUSH_UPDATE_CURRENT bit is set updates |
| * __struct gl_contextRec::Current and gl_light_attrib::Material |
| * |
| * Note that the default T&L engine never clears the |
| * FLUSH_UPDATE_CURRENT bit, even after performing the update. |
| * |
| * \param flags bitmask of FLUSH_STORED_VERTICES, FLUSH_UPDATE_CURRENT |
| */ |
| void |
| vbo_exec_FlushVertices(struct gl_context *ctx, GLuint flags) |
| { |
| struct vbo_exec_context *exec = &vbo_context(ctx)->exec; |
| |
| #ifdef DEBUG |
| /* debug check: make sure we don't get called recursively */ |
| exec->flush_call_depth++; |
| assert(exec->flush_call_depth == 1); |
| #endif |
| |
| if (_mesa_inside_begin_end(ctx)) { |
| /* We've had glBegin but not glEnd! */ |
| #ifdef DEBUG |
| exec->flush_call_depth--; |
| assert(exec->flush_call_depth == 0); |
| #endif |
| return; |
| } |
| |
| /* Flush (draw), and make sure VBO is left unmapped when done */ |
| vbo_exec_FlushVertices_internal(exec, GL_TRUE); |
| |
| /* Need to do this to ensure vbo_exec_begin_vertices gets called again: |
| */ |
| ctx->Driver.NeedFlush &= ~(FLUSH_UPDATE_CURRENT | flags); |
| |
| #ifdef DEBUG |
| exec->flush_call_depth--; |
| assert(exec->flush_call_depth == 0); |
| #endif |
| } |
| |
| |
| /** |
| * Reset the vertex attribute by setting its size to zero. |
| */ |
| static void |
| vbo_reset_attr(struct vbo_exec_context *exec, GLuint attr) |
| { |
| exec->vtx.attrsz[attr] = 0; |
| exec->vtx.attrtype[attr] = GL_FLOAT; |
| exec->vtx.active_sz[attr] = 0; |
| } |
| |
| |
| static void |
| vbo_reset_all_attr(struct vbo_exec_context *exec) |
| { |
| while (exec->vtx.enabled) { |
| const int i = u_bit_scan64(&exec->vtx.enabled); |
| vbo_reset_attr(exec, i); |
| } |
| |
| exec->vtx.vertex_size = 0; |
| } |
| |
| |
| void GLAPIENTRY |
| _es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) |
| { |
| vbo_Color4f(r, g, b, a); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_Normal3f(GLfloat x, GLfloat y, GLfloat z) |
| { |
| vbo_Normal3f(x, y, z); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q) |
| { |
| vbo_MultiTexCoord4f(target, s, t, r, q); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_Materialfv(GLenum face, GLenum pname, const GLfloat *params) |
| { |
| vbo_Materialfv(face, pname, params); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_Materialf(GLenum face, GLenum pname, GLfloat param) |
| { |
| GLfloat p[4]; |
| p[0] = param; |
| p[1] = p[2] = p[3] = 0.0F; |
| vbo_Materialfv(face, pname, p); |
| } |
| |
| |
| /** |
| * A special version of glVertexAttrib4f that does not treat index 0 as |
| * VBO_ATTRIB_POS. |
| */ |
| static void |
| VertexAttrib4f_nopos(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| if (index < MAX_VERTEX_GENERIC_ATTRIBS) |
| ATTRF(VBO_ATTRIB_GENERIC0 + index, 4, x, y, z, w); |
| else |
| ERROR(GL_INVALID_VALUE); |
| } |
| |
| void GLAPIENTRY |
| _es_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) |
| { |
| VertexAttrib4f_nopos(index, x, y, z, w); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_VertexAttrib1f(GLuint indx, GLfloat x) |
| { |
| VertexAttrib4f_nopos(indx, x, 0.0f, 0.0f, 1.0f); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_VertexAttrib1fv(GLuint indx, const GLfloat* values) |
| { |
| VertexAttrib4f_nopos(indx, values[0], 0.0f, 0.0f, 1.0f); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y) |
| { |
| VertexAttrib4f_nopos(indx, x, y, 0.0f, 1.0f); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_VertexAttrib2fv(GLuint indx, const GLfloat* values) |
| { |
| VertexAttrib4f_nopos(indx, values[0], values[1], 0.0f, 1.0f); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z) |
| { |
| VertexAttrib4f_nopos(indx, x, y, z, 1.0f); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_VertexAttrib3fv(GLuint indx, const GLfloat* values) |
| { |
| VertexAttrib4f_nopos(indx, values[0], values[1], values[2], 1.0f); |
| } |
| |
| |
| void GLAPIENTRY |
| _es_VertexAttrib4fv(GLuint indx, const GLfloat* values) |
| { |
| VertexAttrib4f_nopos(indx, values[0], values[1], values[2], values[3]); |
| } |