| /* |
| * Mesa 3-D graphics library |
| * Version: 7.6 |
| * |
| * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
| * Copyright (C) 2009 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 |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * BRIAN PAUL 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. |
| */ |
| |
| |
| #include "glheader.h" |
| #include "imports.h" |
| #include "bufferobj.h" |
| #include "context.h" |
| #include "enable.h" |
| #include "enums.h" |
| #include "hash.h" |
| #include "image.h" |
| #include "macros.h" |
| #include "mfeatures.h" |
| #include "mtypes.h" |
| #include "varray.h" |
| #include "arrayobj.h" |
| #include "main/dispatch.h" |
| |
| |
| /** Used to do error checking for GL_EXT_vertex_array_bgra */ |
| #define BGRA_OR_4 5 |
| |
| |
| /** Used to indicate which GL datatypes are accepted by each of the |
| * glVertex/Color/Attrib/EtcPointer() functions. |
| */ |
| #define BOOL_BIT 0x1 |
| #define BYTE_BIT 0x2 |
| #define UNSIGNED_BYTE_BIT 0x4 |
| #define SHORT_BIT 0x8 |
| #define UNSIGNED_SHORT_BIT 0x10 |
| #define INT_BIT 0x20 |
| #define UNSIGNED_INT_BIT 0x40 |
| #define HALF_BIT 0x80 |
| #define FLOAT_BIT 0x100 |
| #define DOUBLE_BIT 0x200 |
| #define FIXED_ES_BIT 0x400 |
| #define FIXED_GL_BIT 0x800 |
| #define UNSIGNED_INT_2_10_10_10_REV_BIT 0x1000 |
| #define INT_2_10_10_10_REV_BIT 0x2000 |
| |
| |
| /** Convert GL datatype enum into a <type>_BIT value seen above */ |
| static GLbitfield |
| type_to_bit(const struct gl_context *ctx, GLenum type) |
| { |
| switch (type) { |
| case GL_BOOL: |
| return BOOL_BIT; |
| case GL_BYTE: |
| return BYTE_BIT; |
| case GL_UNSIGNED_BYTE: |
| return UNSIGNED_BYTE_BIT; |
| case GL_SHORT: |
| return SHORT_BIT; |
| case GL_UNSIGNED_SHORT: |
| return UNSIGNED_SHORT_BIT; |
| case GL_INT: |
| return INT_BIT; |
| case GL_UNSIGNED_INT: |
| return UNSIGNED_INT_BIT; |
| case GL_HALF_FLOAT: |
| if (ctx->Extensions.ARB_half_float_vertex) |
| return HALF_BIT; |
| else |
| return 0x0; |
| case GL_FLOAT: |
| return FLOAT_BIT; |
| case GL_DOUBLE: |
| return DOUBLE_BIT; |
| case GL_FIXED: |
| return _mesa_is_desktop_gl(ctx) ? FIXED_GL_BIT : FIXED_ES_BIT; |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| return UNSIGNED_INT_2_10_10_10_REV_BIT; |
| case GL_INT_2_10_10_10_REV: |
| return INT_2_10_10_10_REV_BIT; |
| default: |
| return 0; |
| } |
| } |
| |
| |
| /** |
| * Do error checking and update state for glVertex/Color/TexCoord/...Pointer |
| * functions. |
| * |
| * \param func name of calling function used for error reporting |
| * \param attrib the attribute array index to update |
| * \param legalTypes bitmask of *_BIT above indicating legal datatypes |
| * \param sizeMin min allowable size value |
| * \param sizeMax max allowable size value (may also be BGRA_OR_4) |
| * \param size components per element (1, 2, 3 or 4) |
| * \param type datatype of each component (GL_FLOAT, GL_INT, etc) |
| * \param stride stride between elements, in elements |
| * \param normalized are integer types converted to floats in [-1, 1]? |
| * \param integer integer-valued values (will not be normalized to [-1,1]) |
| * \param ptr the address (or offset inside VBO) of the array data |
| */ |
| static void |
| update_array(struct gl_context *ctx, |
| const char *func, |
| GLuint attrib, GLbitfield legalTypesMask, |
| GLint sizeMin, GLint sizeMax, |
| GLint size, GLenum type, GLsizei stride, |
| GLboolean normalized, GLboolean integer, |
| const GLvoid *ptr) |
| { |
| struct gl_client_array *array; |
| GLbitfield typeBit; |
| GLsizei elementSize; |
| GLenum format = GL_RGBA; |
| |
| /* Page 407 (page 423 of the PDF) of the OpenGL 3.0 spec says: |
| * |
| * "Client vertex arrays - all vertex array attribute pointers must |
| * refer to buffer objects (section 2.9.2). The default vertex array |
| * object (the name zero) is also deprecated. Calling |
| * VertexAttribPointer when no buffer object or no vertex array object |
| * is bound will generate an INVALID_OPERATION error..." |
| * |
| * The check for VBOs is handled below. |
| */ |
| if (ctx->API == API_OPENGL_CORE |
| && (ctx->Array.ArrayObj == ctx->Array.DefaultArrayObj)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(no array object bound)", |
| func); |
| return; |
| } |
| |
| if (_mesa_is_gles(ctx)) { |
| /* Once Mesa gets support for GL_OES_vertex_half_float this mask will |
| * change. Adding support for this extension isn't quite as trivial as |
| * we'd like because ES uses a different enum value for GL_HALF_FLOAT. |
| */ |
| legalTypesMask &= ~(FIXED_GL_BIT | HALF_BIT | DOUBLE_BIT); |
| |
| /* GL_INT and GL_UNSIGNED_INT data is not allowed in OpenGL ES until |
| * 3.0. The 2_10_10_10 types are added in OpenGL ES 3.0 or |
| * GL_OES_vertex_type_10_10_10_2. |
| */ |
| if (ctx->Version < 30) { |
| legalTypesMask &= ~(UNSIGNED_INT_BIT |
| | INT_BIT |
| | UNSIGNED_INT_2_10_10_10_REV_BIT |
| | INT_2_10_10_10_REV_BIT); |
| } |
| |
| /* BGRA ordering is not supported in ES contexts. |
| */ |
| if (sizeMax == BGRA_OR_4) |
| sizeMax = 4; |
| } else { |
| legalTypesMask &= ~FIXED_ES_BIT; |
| |
| if (!ctx->Extensions.ARB_ES2_compatibility) |
| legalTypesMask &= ~FIXED_GL_BIT; |
| |
| if (!ctx->Extensions.ARB_vertex_type_2_10_10_10_rev) |
| legalTypesMask &= ~(UNSIGNED_INT_2_10_10_10_REV_BIT | |
| INT_2_10_10_10_REV_BIT); |
| } |
| |
| typeBit = type_to_bit(ctx, type); |
| if (typeBit == 0x0 || (typeBit & legalTypesMask) == 0x0) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(type = %s)", |
| func, _mesa_lookup_enum_by_nr(type)); |
| return; |
| } |
| |
| /* Do size parameter checking. |
| * If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and |
| * must be handled specially. |
| */ |
| if (ctx->Extensions.EXT_vertex_array_bgra && |
| sizeMax == BGRA_OR_4 && |
| size == GL_BGRA) { |
| GLboolean bgra_error = GL_FALSE; |
| |
| if (ctx->Extensions.ARB_vertex_type_2_10_10_10_rev) { |
| if (type != GL_UNSIGNED_INT_2_10_10_10_REV && |
| type != GL_INT_2_10_10_10_REV && |
| type != GL_UNSIGNED_BYTE) |
| bgra_error = GL_TRUE; |
| } else if (type != GL_UNSIGNED_BYTE) |
| bgra_error = GL_TRUE; |
| |
| if (bgra_error) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(GL_BGRA/GLubyte)", func); |
| return; |
| } |
| format = GL_BGRA; |
| size = 4; |
| } |
| else if (size < sizeMin || size > sizeMax || size > 4) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d)", func, size); |
| return; |
| } |
| |
| if (ctx->Extensions.ARB_vertex_type_2_10_10_10_rev && |
| (type == GL_UNSIGNED_INT_2_10_10_10_REV || |
| type == GL_INT_2_10_10_10_REV) && size != 4) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(size=%d)", func, size); |
| return; |
| } |
| |
| ASSERT(size <= 4); |
| |
| if (stride < 0) { |
| _mesa_error( ctx, GL_INVALID_VALUE, "%s(stride=%d)", func, stride ); |
| return; |
| } |
| |
| /* Page 29 (page 44 of the PDF) of the OpenGL 3.3 spec says: |
| * |
| * "An INVALID_OPERATION error is generated under any of the following |
| * conditions: |
| * |
| * ... |
| * |
| * * any of the *Pointer commands specifying the location and |
| * organization of vertex array data are called while zero is bound |
| * to the ARRAY_BUFFER buffer object binding point (see section |
| * 2.9.6), and the pointer argument is not NULL." |
| */ |
| if (ptr != NULL && ctx->Array.ArrayObj->ARBsemantics && |
| !_mesa_is_bufferobj(ctx->Array.ArrayBufferObj)) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-VBO array)", func); |
| return; |
| } |
| |
| elementSize = _mesa_sizeof_type(type) * size; |
| |
| array = &ctx->Array.ArrayObj->VertexAttrib[attrib]; |
| array->Size = size; |
| array->Type = type; |
| array->Format = format; |
| array->Stride = stride; |
| array->StrideB = stride ? stride : elementSize; |
| array->Normalized = normalized; |
| array->Integer = integer; |
| array->Ptr = (const GLubyte *) ptr; |
| array->_ElementSize = elementSize; |
| |
| _mesa_reference_buffer_object(ctx, &array->BufferObj, |
| ctx->Array.ArrayBufferObj); |
| |
| ctx->NewState |= _NEW_ARRAY; |
| ctx->Array.ArrayObj->NewArrays |= VERT_BIT(attrib); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLbitfield legalTypes = (ctx->API == API_OPENGLES) |
| ? (BYTE_BIT | SHORT_BIT | FLOAT_BIT | FIXED_ES_BIT) |
| : (SHORT_BIT | INT_BIT | FLOAT_BIT | |
| DOUBLE_BIT | HALF_BIT | |
| UNSIGNED_INT_2_10_10_10_REV_BIT | |
| INT_2_10_10_10_REV_BIT); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| update_array(ctx, "glVertexPointer", VERT_ATTRIB_POS, |
| legalTypes, 2, 4, |
| size, type, stride, GL_FALSE, GL_FALSE, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| const GLbitfield legalTypes = (ctx->API == API_OPENGLES) |
| ? (BYTE_BIT | SHORT_BIT | FLOAT_BIT | FIXED_ES_BIT) |
| : (BYTE_BIT | SHORT_BIT | INT_BIT | |
| HALF_BIT | FLOAT_BIT | DOUBLE_BIT | |
| UNSIGNED_INT_2_10_10_10_REV_BIT | |
| INT_2_10_10_10_REV_BIT); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| update_array(ctx, "glNormalPointer", VERT_ATTRIB_NORMAL, |
| legalTypes, 3, 3, |
| 3, type, stride, GL_TRUE, GL_FALSE, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| const GLbitfield legalTypes = (ctx->API == API_OPENGLES) |
| ? (UNSIGNED_BYTE_BIT | HALF_BIT | FLOAT_BIT | FIXED_ES_BIT) |
| : (BYTE_BIT | UNSIGNED_BYTE_BIT | |
| SHORT_BIT | UNSIGNED_SHORT_BIT | |
| INT_BIT | UNSIGNED_INT_BIT | |
| HALF_BIT | FLOAT_BIT | DOUBLE_BIT | |
| UNSIGNED_INT_2_10_10_10_REV_BIT | |
| INT_2_10_10_10_REV_BIT); |
| const GLint sizeMin = (ctx->API == API_OPENGLES) ? 4 : 3; |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| update_array(ctx, "glColorPointer", VERT_ATTRIB_COLOR0, |
| legalTypes, sizeMin, BGRA_OR_4, |
| size, type, stride, GL_TRUE, GL_FALSE, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr) |
| { |
| const GLbitfield legalTypes = (HALF_BIT | FLOAT_BIT | DOUBLE_BIT); |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| update_array(ctx, "glFogCoordPointer", VERT_ATTRIB_FOG, |
| legalTypes, 1, 1, |
| 1, type, stride, GL_FALSE, GL_FALSE, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr) |
| { |
| const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT | INT_BIT | |
| FLOAT_BIT | DOUBLE_BIT); |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| update_array(ctx, "glIndexPointer", VERT_ATTRIB_COLOR_INDEX, |
| legalTypes, 1, 1, |
| 1, type, stride, GL_FALSE, GL_FALSE, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_SecondaryColorPointerEXT(GLint size, GLenum type, |
| GLsizei stride, const GLvoid *ptr) |
| { |
| const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT | |
| SHORT_BIT | UNSIGNED_SHORT_BIT | |
| INT_BIT | UNSIGNED_INT_BIT | |
| HALF_BIT | FLOAT_BIT | DOUBLE_BIT | |
| UNSIGNED_INT_2_10_10_10_REV_BIT | |
| INT_2_10_10_10_REV_BIT); |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| update_array(ctx, "glSecondaryColorPointer", VERT_ATTRIB_COLOR1, |
| legalTypes, 3, BGRA_OR_4, |
| size, type, stride, GL_TRUE, GL_FALSE, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride, |
| const GLvoid *ptr) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLbitfield legalTypes = (ctx->API == API_OPENGLES) |
| ? (BYTE_BIT | SHORT_BIT | FLOAT_BIT | FIXED_ES_BIT) |
| : (SHORT_BIT | INT_BIT | |
| HALF_BIT | FLOAT_BIT | DOUBLE_BIT | |
| UNSIGNED_INT_2_10_10_10_REV_BIT | |
| INT_2_10_10_10_REV_BIT); |
| const GLint sizeMin = (ctx->API == API_OPENGLES) ? 2 : 1; |
| const GLuint unit = ctx->Array.ActiveTexture; |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| update_array(ctx, "glTexCoordPointer", VERT_ATTRIB_TEX(unit), |
| legalTypes, sizeMin, 4, |
| size, type, stride, GL_FALSE, GL_FALSE, |
| ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr) |
| { |
| const GLbitfield legalTypes = UNSIGNED_BYTE_BIT; |
| /* see table 2.4 edits in GL_EXT_gpu_shader4 spec: */ |
| const GLboolean integer = GL_TRUE; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| update_array(ctx, "glEdgeFlagPointer", VERT_ATTRIB_EDGEFLAG, |
| legalTypes, 1, 1, |
| 1, GL_UNSIGNED_BYTE, stride, GL_FALSE, integer, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_PointSizePointer(GLenum type, GLsizei stride, const GLvoid *ptr) |
| { |
| const GLbitfield legalTypes = (FLOAT_BIT | FIXED_ES_BIT); |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (ctx->API != API_OPENGLES) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, |
| "glPointSizePointer(ES 1.x only)"); |
| return; |
| } |
| |
| update_array(ctx, "glPointSizePointer", VERT_ATTRIB_POINT_SIZE, |
| legalTypes, 1, 1, |
| 1, type, stride, GL_FALSE, GL_FALSE, ptr); |
| } |
| |
| |
| #if FEATURE_NV_vertex_program |
| /** |
| * Set a vertex attribute array. |
| * Note that these arrays DO alias the conventional GL vertex arrays |
| * (position, normal, color, fog, texcoord, etc). |
| * The generic attribute slots at #16 and above are not touched. |
| */ |
| void GLAPIENTRY |
| _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type, |
| GLsizei stride, const GLvoid *ptr) |
| { |
| const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT | |
| FLOAT_BIT | DOUBLE_BIT); |
| GLboolean normalized = GL_FALSE; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(index)"); |
| return; |
| } |
| |
| if (type == GL_UNSIGNED_BYTE && size != 4) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size!=4)"); |
| return; |
| } |
| |
| update_array(ctx, "glVertexAttribPointerNV", VERT_ATTRIB_GENERIC(index), |
| legalTypes, 1, BGRA_OR_4, |
| size, type, stride, normalized, GL_FALSE, ptr); |
| } |
| #endif |
| |
| |
| #if FEATURE_ARB_vertex_program |
| /** |
| * Set a generic vertex attribute array. |
| * Note that these arrays DO NOT alias the conventional GL vertex arrays |
| * (position, normal, color, fog, texcoord, etc). |
| */ |
| void GLAPIENTRY |
| _mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type, |
| GLboolean normalized, |
| GLsizei stride, const GLvoid *ptr) |
| { |
| const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT | |
| SHORT_BIT | UNSIGNED_SHORT_BIT | |
| INT_BIT | UNSIGNED_INT_BIT | |
| HALF_BIT | FLOAT_BIT | DOUBLE_BIT | |
| FIXED_ES_BIT | FIXED_GL_BIT | |
| UNSIGNED_INT_2_10_10_10_REV_BIT | |
| INT_2_10_10_10_REV_BIT); |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (index >= ctx->Const.VertexProgram.MaxAttribs) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(index)"); |
| return; |
| } |
| |
| update_array(ctx, "glVertexAttribPointer", VERT_ATTRIB_GENERIC(index), |
| legalTypes, 1, BGRA_OR_4, |
| size, type, stride, normalized, GL_FALSE, ptr); |
| } |
| #endif |
| |
| |
| /** |
| * GL_EXT_gpu_shader4 / GL 3.0. |
| * Set an integer-valued vertex attribute array. |
| * Note that these arrays DO NOT alias the conventional GL vertex arrays |
| * (position, normal, color, fog, texcoord, etc). |
| */ |
| void GLAPIENTRY |
| _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type, |
| GLsizei stride, const GLvoid *ptr) |
| { |
| const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT | |
| SHORT_BIT | UNSIGNED_SHORT_BIT | |
| INT_BIT | UNSIGNED_INT_BIT); |
| const GLboolean normalized = GL_FALSE; |
| const GLboolean integer = GL_TRUE; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (index >= ctx->Const.VertexProgram.MaxAttribs) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribIPointer(index)"); |
| return; |
| } |
| |
| update_array(ctx, "glVertexAttribIPointer", VERT_ATTRIB_GENERIC(index), |
| legalTypes, 1, 4, |
| size, type, stride, normalized, integer, ptr); |
| } |
| |
| |
| |
| void GLAPIENTRY |
| _mesa_EnableVertexAttribArrayARB(GLuint index) |
| { |
| struct gl_array_object *arrayObj; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (index >= ctx->Const.VertexProgram.MaxAttribs) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glEnableVertexAttribArrayARB(index)"); |
| return; |
| } |
| |
| arrayObj = ctx->Array.ArrayObj; |
| |
| ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib)); |
| |
| if (!arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) { |
| /* was disabled, now being enabled */ |
| FLUSH_VERTICES(ctx, _NEW_ARRAY); |
| arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE; |
| arrayObj->_Enabled |= VERT_BIT_GENERIC(index); |
| arrayObj->NewArrays |= VERT_BIT_GENERIC(index); |
| } |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_DisableVertexAttribArrayARB(GLuint index) |
| { |
| struct gl_array_object *arrayObj; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (index >= ctx->Const.VertexProgram.MaxAttribs) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "glDisableVertexAttribArrayARB(index)"); |
| return; |
| } |
| |
| arrayObj = ctx->Array.ArrayObj; |
| |
| ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib)); |
| |
| if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) { |
| /* was enabled, now being disabled */ |
| FLUSH_VERTICES(ctx, _NEW_ARRAY); |
| arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE; |
| arrayObj->_Enabled &= ~VERT_BIT_GENERIC(index); |
| arrayObj->NewArrays |= VERT_BIT_GENERIC(index); |
| } |
| } |
| |
| |
| /** |
| * Return info for a vertex attribute array (no alias with legacy |
| * vertex attributes (pos, normal, color, etc)). This function does |
| * not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query. |
| */ |
| static GLuint |
| get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname, |
| const char *caller) |
| { |
| const struct gl_client_array *array; |
| |
| if (index >= ctx->Const.VertexProgram.MaxAttribs) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", caller, index); |
| return 0; |
| } |
| |
| ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); |
| |
| array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)]; |
| |
| switch (pname) { |
| case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB: |
| return array->Enabled; |
| case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB: |
| return array->Size; |
| case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB: |
| return array->Stride; |
| case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB: |
| return array->Type; |
| case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB: |
| return array->Normalized; |
| case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB: |
| return array->BufferObj->Name; |
| case GL_VERTEX_ATTRIB_ARRAY_INTEGER: |
| if ((_mesa_is_desktop_gl(ctx) |
| && (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4)) |
| || _mesa_is_gles3(ctx)) { |
| return array->Integer; |
| } |
| goto error; |
| case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB: |
| if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_instanced_arrays) |
| || _mesa_is_gles3(ctx)) { |
| return array->InstanceDivisor; |
| } |
| goto error; |
| default: |
| ; /* fall-through */ |
| } |
| |
| error: |
| _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname); |
| return 0; |
| } |
| |
| |
| static const GLfloat * |
| get_current_attrib(struct gl_context *ctx, GLuint index, const char *function) |
| { |
| if (index == 0) { |
| /* In OpenGL 3.1 attribute 0 becomes non-magic, just like in OpenGL ES |
| * 2.0. Note that we cannot just check for API_OPENGL_CORE here because |
| * that will erroneously allow this usage in a 3.0 forward-compatible |
| * context too. |
| */ |
| if ((ctx->API != API_OPENGL_CORE || ctx->Version < 31) |
| && ctx->API != API_OPENGLES2) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "%s(index==0)", function); |
| return NULL; |
| } |
| } |
| else if (index >= ctx->Const.VertexProgram.MaxAttribs) { |
| _mesa_error(ctx, GL_INVALID_VALUE, |
| "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function); |
| return NULL; |
| } |
| |
| ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); |
| |
| FLUSH_CURRENT(ctx, 0); |
| return ctx->Current.Attrib[VERT_ATTRIB_GENERIC(index)]; |
| } |
| |
| void GLAPIENTRY |
| _mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { |
| const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribfv"); |
| if (v != NULL) { |
| COPY_4V(params, v); |
| } |
| } |
| else { |
| params[0] = (GLfloat) get_vertex_array_attrib(ctx, index, pname, |
| "glGetVertexAttribfv"); |
| } |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_GetVertexAttribdvARB(GLuint index, GLenum pname, GLdouble *params) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { |
| const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribdv"); |
| if (v != NULL) { |
| params[0] = (GLdouble) v[0]; |
| params[1] = (GLdouble) v[1]; |
| params[2] = (GLdouble) v[2]; |
| params[3] = (GLdouble) v[3]; |
| } |
| } |
| else { |
| params[0] = (GLdouble) get_vertex_array_attrib(ctx, index, pname, |
| "glGetVertexAttribdv"); |
| } |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { |
| const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribiv"); |
| if (v != NULL) { |
| /* XXX should floats in[0,1] be scaled to full int range? */ |
| params[0] = (GLint) v[0]; |
| params[1] = (GLint) v[1]; |
| params[2] = (GLint) v[2]; |
| params[3] = (GLint) v[3]; |
| } |
| } |
| else { |
| params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname, |
| "glGetVertexAttribiv"); |
| } |
| } |
| |
| |
| /** GL 3.0 */ |
| void GLAPIENTRY |
| _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { |
| const GLint *v = (const GLint *) |
| get_current_attrib(ctx, index, "glGetVertexAttribIiv"); |
| if (v != NULL) { |
| COPY_4V(params, v); |
| } |
| } |
| else { |
| params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname, |
| "glGetVertexAttribIiv"); |
| } |
| } |
| |
| |
| /** GL 3.0 */ |
| void GLAPIENTRY |
| _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { |
| const GLuint *v = (const GLuint *) |
| get_current_attrib(ctx, index, "glGetVertexAttribIuiv"); |
| if (v != NULL) { |
| COPY_4V(params, v); |
| } |
| } |
| else { |
| params[0] = get_vertex_array_attrib(ctx, index, pname, |
| "glGetVertexAttribIuiv"); |
| } |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_GetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (index >= ctx->Const.VertexProgram.MaxAttribs) { |
| _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerARB(index)"); |
| return; |
| } |
| |
| if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerARB(pname)"); |
| return; |
| } |
| |
| ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); |
| |
| *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Ptr; |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride, |
| GLsizei count, const GLvoid *ptr) |
| { |
| (void) count; |
| _mesa_VertexPointer(size, type, stride, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, |
| const GLvoid *ptr) |
| { |
| (void) count; |
| _mesa_NormalPointer(type, stride, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, |
| const GLvoid *ptr) |
| { |
| (void) count; |
| _mesa_ColorPointer(size, type, stride, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, |
| const GLvoid *ptr) |
| { |
| (void) count; |
| _mesa_IndexPointer(type, stride, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, |
| GLsizei count, const GLvoid *ptr) |
| { |
| (void) count; |
| _mesa_TexCoordPointer(size, type, stride, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr) |
| { |
| (void) count; |
| _mesa_EdgeFlagPointer(stride, ptr); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLboolean tflag, cflag, nflag; /* enable/disable flags */ |
| GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */ |
| GLenum ctype = 0; /* color type */ |
| GLint coffset = 0, noffset = 0, voffset;/* color, normal, vertex offsets */ |
| const GLint toffset = 0; /* always zero */ |
| GLint defstride; /* default stride */ |
| GLint c, f; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| f = sizeof(GLfloat); |
| c = f * ((4 * sizeof(GLubyte) + (f - 1)) / f); |
| |
| if (stride < 0) { |
| _mesa_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" ); |
| return; |
| } |
| |
| switch (format) { |
| case GL_V2F: |
| tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE; |
| tcomps = 0; ccomps = 0; vcomps = 2; |
| voffset = 0; |
| defstride = 2*f; |
| break; |
| case GL_V3F: |
| tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE; |
| tcomps = 0; ccomps = 0; vcomps = 3; |
| voffset = 0; |
| defstride = 3*f; |
| break; |
| case GL_C4UB_V2F: |
| tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; |
| tcomps = 0; ccomps = 4; vcomps = 2; |
| ctype = GL_UNSIGNED_BYTE; |
| coffset = 0; |
| voffset = c; |
| defstride = c + 2*f; |
| break; |
| case GL_C4UB_V3F: |
| tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; |
| tcomps = 0; ccomps = 4; vcomps = 3; |
| ctype = GL_UNSIGNED_BYTE; |
| coffset = 0; |
| voffset = c; |
| defstride = c + 3*f; |
| break; |
| case GL_C3F_V3F: |
| tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; |
| tcomps = 0; ccomps = 3; vcomps = 3; |
| ctype = GL_FLOAT; |
| coffset = 0; |
| voffset = 3*f; |
| defstride = 6*f; |
| break; |
| case GL_N3F_V3F: |
| tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE; |
| tcomps = 0; ccomps = 0; vcomps = 3; |
| noffset = 0; |
| voffset = 3*f; |
| defstride = 6*f; |
| break; |
| case GL_C4F_N3F_V3F: |
| tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE; |
| tcomps = 0; ccomps = 4; vcomps = 3; |
| ctype = GL_FLOAT; |
| coffset = 0; |
| noffset = 4*f; |
| voffset = 7*f; |
| defstride = 10*f; |
| break; |
| case GL_T2F_V3F: |
| tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE; |
| tcomps = 2; ccomps = 0; vcomps = 3; |
| voffset = 2*f; |
| defstride = 5*f; |
| break; |
| case GL_T4F_V4F: |
| tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE; |
| tcomps = 4; ccomps = 0; vcomps = 4; |
| voffset = 4*f; |
| defstride = 8*f; |
| break; |
| case GL_T2F_C4UB_V3F: |
| tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE; |
| tcomps = 2; ccomps = 4; vcomps = 3; |
| ctype = GL_UNSIGNED_BYTE; |
| coffset = 2*f; |
| voffset = c+2*f; |
| defstride = c+5*f; |
| break; |
| case GL_T2F_C3F_V3F: |
| tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE; |
| tcomps = 2; ccomps = 3; vcomps = 3; |
| ctype = GL_FLOAT; |
| coffset = 2*f; |
| voffset = 5*f; |
| defstride = 8*f; |
| break; |
| case GL_T2F_N3F_V3F: |
| tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE; |
| tcomps = 2; ccomps = 0; vcomps = 3; |
| noffset = 2*f; |
| voffset = 5*f; |
| defstride = 8*f; |
| break; |
| case GL_T2F_C4F_N3F_V3F: |
| tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE; |
| tcomps = 2; ccomps = 4; vcomps = 3; |
| ctype = GL_FLOAT; |
| coffset = 2*f; |
| noffset = 6*f; |
| voffset = 9*f; |
| defstride = 12*f; |
| break; |
| case GL_T4F_C4F_N3F_V4F: |
| tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE; |
| tcomps = 4; ccomps = 4; vcomps = 4; |
| ctype = GL_FLOAT; |
| coffset = 4*f; |
| noffset = 8*f; |
| voffset = 11*f; |
| defstride = 15*f; |
| break; |
| default: |
| _mesa_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" ); |
| return; |
| } |
| |
| if (stride==0) { |
| stride = defstride; |
| } |
| |
| _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY ); |
| _mesa_DisableClientState( GL_INDEX_ARRAY ); |
| /* XXX also disable secondary color and generic arrays? */ |
| |
| /* Texcoords */ |
| if (tflag) { |
| _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY ); |
| _mesa_TexCoordPointer( tcomps, GL_FLOAT, stride, |
| (GLubyte *) pointer + toffset ); |
| } |
| else { |
| _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY ); |
| } |
| |
| /* Color */ |
| if (cflag) { |
| _mesa_EnableClientState( GL_COLOR_ARRAY ); |
| _mesa_ColorPointer( ccomps, ctype, stride, |
| (GLubyte *) pointer + coffset ); |
| } |
| else { |
| _mesa_DisableClientState( GL_COLOR_ARRAY ); |
| } |
| |
| |
| /* Normals */ |
| if (nflag) { |
| _mesa_EnableClientState( GL_NORMAL_ARRAY ); |
| _mesa_NormalPointer( GL_FLOAT, stride, (GLubyte *) pointer + noffset ); |
| } |
| else { |
| _mesa_DisableClientState( GL_NORMAL_ARRAY ); |
| } |
| |
| /* Vertices */ |
| _mesa_EnableClientState( GL_VERTEX_ARRAY ); |
| _mesa_VertexPointer( vcomps, GL_FLOAT, stride, |
| (GLubyte *) pointer + voffset ); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_LockArraysEXT(GLint first, GLsizei count) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_API) |
| _mesa_debug(ctx, "glLockArrays %d %d\n", first, count); |
| |
| if (first < 0) { |
| _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(first)" ); |
| return; |
| } |
| if (count <= 0) { |
| _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(count)" ); |
| return; |
| } |
| if (ctx->Array.LockCount != 0) { |
| _mesa_error( ctx, GL_INVALID_OPERATION, "glLockArraysEXT(reentry)" ); |
| return; |
| } |
| |
| ctx->Array.LockFirst = first; |
| ctx->Array.LockCount = count; |
| |
| ctx->NewState |= _NEW_ARRAY; |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_UnlockArraysEXT( void ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_API) |
| _mesa_debug(ctx, "glUnlockArrays\n"); |
| |
| if (ctx->Array.LockCount == 0) { |
| _mesa_error( ctx, GL_INVALID_OPERATION, "glUnlockArraysEXT(reexit)" ); |
| return; |
| } |
| |
| ctx->Array.LockFirst = 0; |
| ctx->Array.LockCount = 0; |
| ctx->NewState |= _NEW_ARRAY; |
| } |
| |
| |
| /* GL_EXT_multi_draw_arrays */ |
| void GLAPIENTRY |
| _mesa_MultiDrawArraysEXT( GLenum mode, const GLint *first, |
| const GLsizei *count, GLsizei primcount ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLint i; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| for (i = 0; i < primcount; i++) { |
| if (count[i] > 0) { |
| CALL_DrawArrays(ctx->Exec, (mode, first[i], count[i])); |
| } |
| } |
| } |
| |
| |
| /* GL_IBM_multimode_draw_arrays */ |
| void GLAPIENTRY |
| _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first, |
| const GLsizei * count, |
| GLsizei primcount, GLint modestride ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLint i; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| for ( i = 0 ; i < primcount ; i++ ) { |
| if ( count[i] > 0 ) { |
| GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride)); |
| CALL_DrawArrays(ctx->Exec, ( m, first[i], count[i] )); |
| } |
| } |
| } |
| |
| |
| /* GL_IBM_multimode_draw_arrays */ |
| void GLAPIENTRY |
| _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count, |
| GLenum type, const GLvoid * const * indices, |
| GLsizei primcount, GLint modestride ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLint i; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); |
| |
| /* XXX not sure about ARB_vertex_buffer_object handling here */ |
| |
| for ( i = 0 ; i < primcount ; i++ ) { |
| if ( count[i] > 0 ) { |
| GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride)); |
| CALL_DrawElements(ctx->Exec, ( m, count[i], type, indices[i] )); |
| } |
| } |
| } |
| |
| |
| /** |
| * GL_NV_primitive_restart and GL 3.1 |
| */ |
| void GLAPIENTRY |
| _mesa_PrimitiveRestartIndex(GLuint index) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!ctx->Extensions.NV_primitive_restart && ctx->Version < 31) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glPrimitiveRestartIndexNV()"); |
| return; |
| } |
| |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (ctx->Array.RestartIndex != index) { |
| FLUSH_VERTICES(ctx, _NEW_TRANSFORM); |
| ctx->Array.RestartIndex = index; |
| } |
| } |
| |
| |
| /** |
| * See GL_ARB_instanced_arrays. |
| * Note that the instance divisor only applies to generic arrays, not |
| * the legacy vertex arrays. |
| */ |
| void GLAPIENTRY |
| _mesa_VertexAttribDivisor(GLuint index, GLuint divisor) |
| { |
| struct gl_client_array *array; |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| if (!ctx->Extensions.ARB_instanced_arrays) { |
| _mesa_error(ctx, GL_INVALID_OPERATION, "glVertexAttribDivisor()"); |
| return; |
| } |
| |
| if (index >= ctx->Const.VertexProgram.MaxAttribs) { |
| _mesa_error(ctx, GL_INVALID_ENUM, "glVertexAttribDivisor(index = %u)", |
| index); |
| return; |
| } |
| |
| ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); |
| |
| array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)]; |
| if (array->InstanceDivisor != divisor) { |
| FLUSH_VERTICES(ctx, _NEW_ARRAY); |
| array->InstanceDivisor = divisor; |
| ctx->Array.ArrayObj->NewArrays |= VERT_BIT(VERT_ATTRIB_GENERIC(index)); |
| } |
| } |
| |
| |
| |
| /** |
| * Copy one client vertex array to another. |
| */ |
| void |
| _mesa_copy_client_array(struct gl_context *ctx, |
| struct gl_client_array *dst, |
| struct gl_client_array *src) |
| { |
| dst->Size = src->Size; |
| dst->Type = src->Type; |
| dst->Format = src->Format; |
| dst->Stride = src->Stride; |
| dst->StrideB = src->StrideB; |
| dst->Ptr = src->Ptr; |
| dst->Enabled = src->Enabled; |
| dst->Normalized = src->Normalized; |
| dst->Integer = src->Integer; |
| dst->InstanceDivisor = src->InstanceDivisor; |
| dst->_ElementSize = src->_ElementSize; |
| _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj); |
| dst->_MaxElement = src->_MaxElement; |
| } |
| |
| |
| |
| /** |
| * Print vertex array's fields. |
| */ |
| static void |
| print_array(const char *name, GLint index, const struct gl_client_array *array) |
| { |
| if (index >= 0) |
| printf(" %s[%d]: ", name, index); |
| else |
| printf(" %s: ", name); |
| printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %lu), MaxElem=%u\n", |
| array->Ptr, array->Type, array->Size, |
| array->_ElementSize, array->StrideB, |
| array->BufferObj->Name, (unsigned long) array->BufferObj->Size, |
| array->_MaxElement); |
| } |
| |
| |
| /** |
| * Print current vertex object/array info. For debug. |
| */ |
| void |
| _mesa_print_arrays(struct gl_context *ctx) |
| { |
| struct gl_array_object *arrayObj = ctx->Array.ArrayObj; |
| GLuint i; |
| |
| _mesa_update_array_object_max_element(ctx, arrayObj); |
| |
| printf("Array Object %u\n", arrayObj->Name); |
| if (arrayObj->VertexAttrib[VERT_ATTRIB_POS].Enabled) |
| print_array("Vertex", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_POS]); |
| if (arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) |
| print_array("Normal", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL]); |
| if (arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) |
| print_array("Color", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0]); |
| for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) |
| if (arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)].Enabled) |
| print_array("TexCoord", i, &arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)]); |
| for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++) |
| if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)].Enabled) |
| print_array("Attrib", i, &arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)]); |
| printf(" _MaxElement = %u\n", arrayObj->_MaxElement); |
| } |
| |
| |
| /** |
| * Initialize vertex array state for given context. |
| */ |
| void |
| _mesa_init_varray(struct gl_context *ctx) |
| { |
| ctx->Array.DefaultArrayObj = ctx->Driver.NewArrayObject(ctx, 0); |
| _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, |
| ctx->Array.DefaultArrayObj); |
| ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */ |
| |
| ctx->Array.Objects = _mesa_NewHashTable(); |
| } |
| |
| |
| /** |
| * Callback for deleting an array object. Called by _mesa_HashDeleteAll(). |
| */ |
| static void |
| delete_arrayobj_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_array_object *arrayObj = (struct gl_array_object *) data; |
| struct gl_context *ctx = (struct gl_context *) userData; |
| _mesa_delete_array_object(ctx, arrayObj); |
| } |
| |
| |
| /** |
| * Free vertex array state for given context. |
| */ |
| void |
| _mesa_free_varray_data(struct gl_context *ctx) |
| { |
| _mesa_HashDeleteAll(ctx->Array.Objects, delete_arrayobj_cb, ctx); |
| _mesa_DeleteHashTable(ctx->Array.Objects); |
| } |
