diff options
Diffstat (limited to 'mesalib/src/mesa/main/varray.c')
| -rw-r--r-- | mesalib/src/mesa/main/varray.c | 1187 |
1 files changed, 1187 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/varray.c b/mesalib/src/mesa/main/varray.c new file mode 100644 index 000000000..6cd2a2f4f --- /dev/null +++ b/mesalib/src/mesa/main/varray.c @@ -0,0 +1,1187 @@ +/* + * 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 "mtypes.h" +#include "varray.h" +#include "arrayobj.h" +#include "glapi/dispatch.h" + + +/** + * Set the fields of a vertex array. + * Also do an error check for GL_ARB_vertex_array_object: check that + * all arrays reside in VBOs when using a vertex array object. + * + * \param array the array to update + * \param dirtyBit which bit to set in ctx->Array.NewState for this array + * \param elementSize size of each array element, in bytes + * \param size components per element (1, 2, 3 or 4) + * \param type datatype of each component (GL_FLOAT, GL_INT, etc) + * \param format either GL_RGBA or GL_BGRA + * \param stride stride between elements, in elements + * \param normalized are integer types converted to floats in [-1, 1]? + * \param ptr the address (or offset inside VBO) of the array data + * \return GL_TRUE if no error, GL_FALSE if error + */ +static GLboolean +update_array(GLcontext *ctx, struct gl_client_array *array, + GLbitfield dirtyBit, GLsizei elementSize, + GLint size, GLenum type, GLenum format, + GLsizei stride, GLboolean normalized, const GLvoid *ptr) +{ + ASSERT(format == GL_RGBA || format == GL_BGRA); + + if (ctx->Array.ArrayObj->VBOonly && + ctx->Array.ArrayBufferObj->Name == 0) { + /* GL_ARB_vertex_array_object requires that all arrays reside in VBOs. + * Generate GL_INVALID_OPERATION if that's not true. + */ + _mesa_error(ctx, GL_INVALID_OPERATION, + "glVertex/Normal/EtcPointer(non-VBO array)"); + return GL_FALSE; + } + + array->Size = size; + array->Type = type; + array->Format = format; + array->Stride = stride; + array->StrideB = stride ? stride : elementSize; + array->Normalized = normalized; + array->Ptr = (const GLubyte *) ptr; + array->_ElementSize = elementSize; + + _mesa_reference_buffer_object(ctx, &array->BufferObj, + ctx->Array.ArrayBufferObj); + + ctx->NewState |= _NEW_ARRAY; + ctx->Array.NewState |= dirtyBit; + + return GL_TRUE; +} + + +void GLAPIENTRY +_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (size < 2 || size > 4) { + _mesa_error( ctx, GL_INVALID_VALUE, "glVertexPointer(size)" ); + return; + } + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glVertexPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glVertexPointer( sz %d type %s stride %d )\n", size, + _mesa_lookup_enum_by_nr( type ), stride); + + /* always need to check that <type> is legal */ + switch (type) { + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; +#if FEATURE_fixedpt + case GL_FIXED: + elementSize = size * sizeof(GLfixed); + break; +#endif +#if FEATURE_vertex_array_byte + case GL_BYTE: + elementSize = size * sizeof(GLbyte); + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexPointer(type=%s)", + _mesa_lookup_enum_by_nr(type)); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->Vertex, _NEW_ARRAY_VERTEX, + elementSize, size, type, GL_RGBA, stride, GL_FALSE, ptr)) + return; + + if (ctx->Driver.VertexPointer) + ctx->Driver.VertexPointer( ctx, size, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr ) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glNormalPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glNormalPointer( type %s stride %d )\n", + _mesa_lookup_enum_by_nr( type ), stride); + + switch (type) { + case GL_BYTE: + elementSize = 3 * sizeof(GLbyte); + break; + case GL_SHORT: + elementSize = 3 * sizeof(GLshort); + break; + case GL_INT: + elementSize = 3 * sizeof(GLint); + break; + case GL_FLOAT: + elementSize = 3 * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = 3 * sizeof(GLdouble); + break; +#if FEATURE_fixedpt + case GL_FIXED: + elementSize = 3 * sizeof(GLfixed); + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glNormalPointer(type=%s)", + _mesa_lookup_enum_by_nr(type)); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->Normal, _NEW_ARRAY_NORMAL, + elementSize, 3, type, GL_RGBA, stride, GL_TRUE, ptr)) + return; + + if (ctx->Driver.NormalPointer) + ctx->Driver.NormalPointer( ctx, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GLenum format; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (size < 3 || size > 4) { + if (!ctx->Extensions.EXT_vertex_array_bgra || size != GL_BGRA) { + _mesa_error(ctx, GL_INVALID_VALUE, "glColorPointer(size)"); + return; + } + } + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glColorPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glColorPointer( sz %d type %s stride %d )\n", size, + _mesa_lookup_enum_by_nr( type ), stride); + + if (size == GL_BGRA) { + if (type != GL_UNSIGNED_BYTE) { + _mesa_error(ctx, GL_INVALID_VALUE, "glColorPointer(GL_BGRA/GLubyte)"); + return; + } + format = GL_BGRA; + size = 4; + } + else { + format = GL_RGBA; + } + + switch (type) { + case GL_BYTE: + elementSize = size * sizeof(GLbyte); + break; + case GL_UNSIGNED_BYTE: + elementSize = size * sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_UNSIGNED_SHORT: + elementSize = size * sizeof(GLushort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_UNSIGNED_INT: + elementSize = size * sizeof(GLuint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; +#if FEATURE_fixedpt + case GL_FIXED: + elementSize = size * sizeof(GLfixed); + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glColorPointer(type=%s)", + _mesa_lookup_enum_by_nr(type)); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->Color, _NEW_ARRAY_COLOR0, + elementSize, size, type, format, stride, GL_TRUE, ptr)) + return; + + if (ctx->Driver.ColorPointer) + ctx->Driver.ColorPointer( ctx, size, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GLint elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glFogCoordPointer(stride)" ); + return; + } + + switch (type) { + case GL_FLOAT: + elementSize = sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glFogCoordPointer(type)" ); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->FogCoord, _NEW_ARRAY_FOGCOORD, + elementSize, 1, type, GL_RGBA, stride, GL_FALSE, ptr)) + return; + + if (ctx->Driver.FogCoordPointer) + ctx->Driver.FogCoordPointer( ctx, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glIndexPointer(stride)" ); + return; + } + + switch (type) { + case GL_UNSIGNED_BYTE: + elementSize = sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = sizeof(GLshort); + break; + case GL_INT: + elementSize = sizeof(GLint); + break; + case GL_FLOAT: + elementSize = sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glIndexPointer(type)" ); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->Index, _NEW_ARRAY_INDEX, + elementSize, 1, type, GL_RGBA, stride, GL_FALSE, ptr)) + return; + + if (ctx->Driver.IndexPointer) + ctx->Driver.IndexPointer( ctx, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_SecondaryColorPointerEXT(GLint size, GLenum type, + GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GLenum format; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (size != 3 && size != 4) { + if (!ctx->Extensions.EXT_vertex_array_bgra || size != GL_BGRA) { + _mesa_error(ctx, GL_INVALID_VALUE, "glSecondaryColorPointer(size)"); + return; + } + } + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glSecondaryColorPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glSecondaryColorPointer( sz %d type %s stride %d )\n", + size, _mesa_lookup_enum_by_nr( type ), stride); + + if (size == GL_BGRA) { + if (type != GL_UNSIGNED_BYTE) { + _mesa_error(ctx, GL_INVALID_VALUE, "glColorPointer(GL_BGRA/GLubyte)"); + return; + } + format = GL_BGRA; + size = 4; + } + else { + format = GL_RGBA; + } + + switch (type) { + case GL_BYTE: + elementSize = size * sizeof(GLbyte); + break; + case GL_UNSIGNED_BYTE: + elementSize = size * sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_UNSIGNED_SHORT: + elementSize = size * sizeof(GLushort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_UNSIGNED_INT: + elementSize = size * sizeof(GLuint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glSecondaryColorPointer(type=%s)", + _mesa_lookup_enum_by_nr(type)); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->SecondaryColor, + _NEW_ARRAY_COLOR1, elementSize, size, type, + format, stride, GL_TRUE, ptr)) + return; + + if (ctx->Driver.SecondaryColorPointer) + ctx->Driver.SecondaryColorPointer( ctx, size, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *ptr) +{ + GLint elementSize; + GET_CURRENT_CONTEXT(ctx); + const GLuint unit = ctx->Array.ActiveTexture; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (size < 1 || size > 4) { + _mesa_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(size)" ); + return; + } + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(stride)" ); + return; + } + + if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API)) + _mesa_debug(ctx, "glTexCoordPointer(unit %u sz %d type %s stride %d)\n", + unit, size, _mesa_lookup_enum_by_nr( type ), stride); + + /* always need to check that <type> is legal */ + switch (type) { + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; +#if FEATURE_fixedpt + case GL_FIXED: + elementSize = size * sizeof(GLfixed); + break; +#endif +#if FEATURE_vertex_array_byte + case GL_BYTE: + elementSize = size * sizeof(GLbyte); + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexCoordPointer(type=%s)", + _mesa_lookup_enum_by_nr(type)); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->TexCoord[unit], + _NEW_ARRAY_TEXCOORD(unit), + elementSize, size, type, GL_RGBA, stride, GL_FALSE, ptr)) + return; + + if (ctx->Driver.TexCoordPointer) + ctx->Driver.TexCoordPointer( ctx, size, type, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glEdgeFlagPointer(stride)" ); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->EdgeFlag, _NEW_ARRAY_EDGEFLAG, + sizeof(GLboolean), 1, GL_UNSIGNED_BYTE, GL_RGBA, + stride, GL_FALSE, ptr)) + return; + + if (ctx->Driver.EdgeFlagPointer) + ctx->Driver.EdgeFlagPointer( ctx, stride, ptr ); +} + + +void GLAPIENTRY +_mesa_PointSizePointer(GLenum type, GLsizei stride, const GLvoid *ptr) +{ + GLsizei elementSize; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (stride < 0) { + _mesa_error( ctx, GL_INVALID_VALUE, "glPointSizePointer(stride)" ); + return; + } + + switch (type) { + case GL_FLOAT: + elementSize = sizeof(GLfloat); + break; +#if FEATURE_fixedpt + case GL_FIXED: + elementSize = sizeof(GLfixed); + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glPointSizePointer(type)" ); + return; + } + + update_array(ctx, &ctx->Array.ArrayObj->PointSize, _NEW_ARRAY_POINT_SIZE, + elementSize, 1, type, GL_RGBA, stride, 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) +{ + GLboolean normalized = GL_FALSE; + GLsizei elementSize; + GLenum format; + 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 (size < 1 || size > 4) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size)"); + return; + } + + if (stride < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(stride)"); + return; + } + + if (type == GL_UNSIGNED_BYTE && size != 4) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size!=4)"); + return; + } + + if (size == GL_BGRA) { + if (type != GL_UNSIGNED_BYTE) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glVertexAttribPointerNV(GL_BGRA/type)"); + return; + } + + format = GL_BGRA; + size = 4; + normalized = GL_TRUE; + } + else { + format = GL_RGBA; + } + + /* check for valid 'type' and compute StrideB right away */ + switch (type) { + case GL_UNSIGNED_BYTE: + normalized = GL_TRUE; + elementSize = size * sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttribPointerNV(type=%s)", + _mesa_lookup_enum_by_nr(type)); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index], + _NEW_ARRAY_ATTRIB(index), + elementSize, size, type, format, stride, normalized, ptr)) + return; + + if (ctx->Driver.VertexAttribPointer) + ctx->Driver.VertexAttribPointer( ctx, index, size, type, stride, 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) +{ + GLsizei elementSize; + GLenum format; + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (index >= ctx->Const.VertexProgram.MaxAttribs) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(index)"); + return; + } + + if (size < 1 || size > 4) { + if (!ctx->Extensions.EXT_vertex_array_bgra || size != GL_BGRA) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(size)"); + return; + } + } + + if (stride < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(stride)"); + return; + } + + if (size == GL_BGRA) { + if (type != GL_UNSIGNED_BYTE) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glVertexAttribPointerARB(GL_BGRA/type)"); + return; + } + if (normalized != GL_TRUE) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glVertexAttribPointerARB(GL_BGRA/normalized)"); + return; + } + + format = GL_BGRA; + size = 4; + } + else { + format = GL_RGBA; + } + + /* check for valid 'type' and compute StrideB right away */ + /* NOTE: more types are supported here than in the NV extension */ + switch (type) { + case GL_BYTE: + elementSize = size * sizeof(GLbyte); + break; + case GL_UNSIGNED_BYTE: + elementSize = size * sizeof(GLubyte); + break; + case GL_SHORT: + elementSize = size * sizeof(GLshort); + break; + case GL_UNSIGNED_SHORT: + elementSize = size * sizeof(GLushort); + break; + case GL_INT: + elementSize = size * sizeof(GLint); + break; + case GL_UNSIGNED_INT: + elementSize = size * sizeof(GLuint); + break; + case GL_FLOAT: + elementSize = size * sizeof(GLfloat); + break; + case GL_DOUBLE: + elementSize = size * sizeof(GLdouble); + break; +#if FEATURE_fixedpt + case GL_FIXED: + elementSize = size * sizeof(GLfixed); + break; +#endif + default: + _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttribPointerARB(type)" ); + return; + } + + if (!update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index], + _NEW_ARRAY_ATTRIB(index), + elementSize, size, type, format, stride, normalized, ptr)) + return; + + if (ctx->Driver.VertexAttribPointer) + ctx->Driver.VertexAttribPointer(ctx, index, size, type, stride, ptr); +} +#endif + + +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; + ctx->Array.NewState |= _NEW_ARRAY_ALL; + + if (ctx->Driver.LockArraysEXT) + ctx->Driver.LockArraysEXT( ctx, first, count ); +} + + +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; + ctx->Array.NewState |= _NEW_ARRAY_ALL; + + if (ctx->Driver.UnlockArraysEXT) + ctx->Driver.UnlockArraysEXT( ctx ); +} + + +/* GL_EXT_multi_draw_arrays */ +/* Somebody forgot to spec the first and count parameters as const! <sigh> */ +void GLAPIENTRY +_mesa_MultiDrawArraysEXT( GLenum mode, GLint *first, + 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] )); + } + } +} + + +/** + * Copy one client vertex array to another. + */ +void +_mesa_copy_client_array(GLcontext *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->_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) + _mesa_printf(" %s[%d]: ", name, index); + else + _mesa_printf(" %s: ", name); + _mesa_printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %u), MaxElem=%u\n", + array->Ptr, array->Type, array->Size, + array->_ElementSize, array->StrideB, + array->BufferObj->Name, array->BufferObj->Size, + array->_MaxElement); +} + + +/** + * Print current vertex object/array info. For debug. + */ +void +_mesa_print_arrays(GLcontext *ctx) +{ + struct gl_array_object *arrayObj = ctx->Array.ArrayObj; + GLuint i; + + _mesa_update_array_object_max_element(ctx, arrayObj); + + _mesa_printf("Array Object %u\n", arrayObj->Name); + if (arrayObj->Vertex.Enabled) + print_array("Vertex", -1, &arrayObj->Vertex); + if (arrayObj->Normal.Enabled) + print_array("Normal", -1, &arrayObj->Normal); + if (arrayObj->Color.Enabled) + print_array("Color", -1, &arrayObj->Color); + for (i = 0; i < Elements(arrayObj->TexCoord); i++) + if (arrayObj->TexCoord[i].Enabled) + print_array("TexCoord", i, &arrayObj->TexCoord[i]); + for (i = 0; i < Elements(arrayObj->VertexAttrib); i++) + if (arrayObj->VertexAttrib[i].Enabled) + print_array("Attrib", i, &arrayObj->VertexAttrib[i]); + _mesa_printf(" _MaxElement = %u\n", arrayObj->_MaxElement); +} + + +/** + * Initialize vertex array state for given context. + */ +void +_mesa_init_varray(GLcontext *ctx) +{ + ctx->Array.DefaultArrayObj = _mesa_new_array_object(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; + GLcontext *ctx = (GLcontext *) userData; + _mesa_delete_array_object(ctx, arrayObj); +} + + +/** + * Free vertex array state for given context. + */ +void +_mesa_free_varray_data(GLcontext *ctx) +{ + _mesa_HashDeleteAll(ctx->Array.Objects, delete_arrayobj_cb, ctx); + _mesa_DeleteHashTable(ctx->Array.Objects); +} |