X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fmatrix.c;h=00b8e00b75ef8c84ffc13758d3e116129b8d2eb0;hb=1a1db1746db82efc7f0643508886dfc78a15eb71;hp=0f96f949096ab4a6dff65d26a4807a90132d055f;hpb=d23dd812ad597ddbe82be5f95708ece9ad63a2fa;p=mesa.git diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c index 0f96f949096..00b8e00b75e 100644 --- a/src/mesa/main/matrix.c +++ b/src/mesa/main/matrix.c @@ -1,8 +1,9 @@ /* * Mesa 3-D graphics library - * Version: 6.5.3 + * Version: 7.5 * - * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * 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"), @@ -39,10 +40,10 @@ #include "context.h" #include "enums.h" #include "macros.h" +#include "mfeatures.h" #include "matrix.h" #include "mtypes.h" #include "math/m_matrix.h" -#include "math/m_xform.h" /** @@ -59,7 +60,7 @@ * * Flushes vertices and validates parameters. Calls _math_matrix_frustum() with * the top matrix of the current matrix stack and sets - * __GLcontextRec::NewState. + * __struct gl_contextRec::NewState. */ void GLAPIENTRY _mesa_Frustum( GLdouble left, GLdouble right, @@ -101,7 +102,7 @@ _mesa_Frustum( GLdouble left, GLdouble right, * * Flushes vertices and validates parameters. Calls _math_matrix_ortho() with * the top matrix of the current matrix stack and sets - * __GLcontextRec::NewState. + * __struct gl_contextRec::NewState. */ void GLAPIENTRY _mesa_Ortho( GLdouble left, GLdouble right, @@ -139,8 +140,8 @@ _mesa_Ortho( GLdouble left, GLdouble right, * \sa glMatrixMode(). * * Flushes the vertices, validates the parameter and updates - * __GLcontextRec::CurrentStack and gl_transform_attrib::MatrixMode with the - * specified matrix stack. + * __struct gl_contextRec::CurrentStack and gl_transform_attrib::MatrixMode + * with the specified matrix stack. */ void GLAPIENTRY _mesa_MatrixMode( GLenum mode ) @@ -160,31 +161,24 @@ _mesa_MatrixMode( GLenum mode ) ctx->CurrentStack = &ctx->ProjectionMatrixStack; break; case GL_TEXTURE: + /* This error check is disabled because if we're called from + * glPopAttrib() when the active texture unit is >= MaxTextureCoordUnits + * we'll generate an unexpected error. + * From the GL_ARB_vertex_shader spec it sounds like we should instead + * do error checking in other places when we actually try to access + * texture matrices beyond MaxTextureCoordUnits. + */ +#if 0 if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glMatrixMode(texcoord unit)"); + _mesa_error(ctx, GL_INVALID_OPERATION, + "glMatrixMode(invalid tex unit %d)", + ctx->Texture.CurrentUnit); return; } +#endif + ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->TextureMatrixStack)); ctx->CurrentStack = &ctx->TextureMatrixStack[ctx->Texture.CurrentUnit]; break; - case GL_COLOR: - ctx->CurrentStack = &ctx->ColorMatrixStack; - break; - case GL_MATRIX0_NV: - case GL_MATRIX1_NV: - case GL_MATRIX2_NV: - case GL_MATRIX3_NV: - case GL_MATRIX4_NV: - case GL_MATRIX5_NV: - case GL_MATRIX6_NV: - case GL_MATRIX7_NV: - if (ctx->Extensions.NV_vertex_program) { - ctx->CurrentStack = &ctx->ProgramMatrixStack[mode - GL_MATRIX0_NV]; - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glMatrixMode(mode)" ); - return; - } - break; case GL_MATRIX0_ARB: case GL_MATRIX1_ARB: case GL_MATRIX2_ARB: @@ -193,8 +187,9 @@ _mesa_MatrixMode( GLenum mode ) case GL_MATRIX5_ARB: case GL_MATRIX6_ARB: case GL_MATRIX7_ARB: - if (ctx->Extensions.ARB_vertex_program || - ctx->Extensions.ARB_fragment_program) { + if (ctx->API == API_OPENGL + && (ctx->Extensions.ARB_vertex_program || + ctx->Extensions.ARB_fragment_program)) { const GLuint m = mode - GL_MATRIX0_ARB; if (m > ctx->Const.MaxProgramMatrices) { _mesa_error(ctx, GL_INVALID_ENUM, @@ -223,8 +218,8 @@ _mesa_MatrixMode( GLenum mode ) * \sa glPushMatrix(). * * Verifies the current matrix stack is not full, and duplicates the top-most - * matrix in the stack. Marks __GLcontextRec::NewState with the stack dirty - * flag. + * matrix in the stack. + * Marks __struct gl_contextRec::NewState with the stack dirty flag. */ void GLAPIENTRY _mesa_PushMatrix( void ) @@ -263,8 +258,8 @@ _mesa_PushMatrix( void ) * \sa glPopMatrix(). * * Flushes the vertices, verifies the current matrix stack is not empty, and - * moves the stack head down. Marks __GLcontextRec::NewState with the dirty - * stack flag. + * moves the stack head down. + * Marks __struct gl_contextRec::NewState with the dirty stack flag. */ void GLAPIENTRY _mesa_PopMatrix( void ) @@ -300,9 +295,9 @@ _mesa_PopMatrix( void ) * * \sa glLoadIdentity(). * - * Flushes the vertices and calls _math_matrix_set_identity() with the top-most - * matrix in the current stack. Marks __GLcontextRec::NewState with the stack - * dirty flag. + * Flushes the vertices and calls _math_matrix_set_identity() with the + * top-most matrix in the current stack. + * Marks __struct gl_contextRec::NewState with the stack dirty flag. */ void GLAPIENTRY _mesa_LoadIdentity( void ) @@ -311,7 +306,7 @@ _mesa_LoadIdentity( void ) ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); if (MESA_VERBOSE & VERBOSE_API) - _mesa_debug(ctx, "glLoadIdentity()"); + _mesa_debug(ctx, "glLoadIdentity()\n"); _math_matrix_set_identity( ctx->CurrentStack->Top ); ctx->NewState |= ctx->CurrentStack->DirtyFlag; @@ -325,9 +320,9 @@ _mesa_LoadIdentity( void ) * * \sa glLoadMatrixf(). * - * Flushes the vertices and calls _math_matrix_loadf() with the top-most matrix - * in the current stack and the given matrix. Marks __GLcontextRec::NewState - * with the dirty stack flag. + * Flushes the vertices and calls _math_matrix_loadf() with the top-most + * matrix in the current stack and the given matrix. + * Marks __struct gl_contextRec::NewState with the dirty stack flag. */ void GLAPIENTRY _mesa_LoadMatrixf( const GLfloat *m ) @@ -357,7 +352,7 @@ _mesa_LoadMatrixf( const GLfloat *m ) * * Flushes the vertices and calls _math_matrix_mul_floats() with the top-most * matrix in the current stack and the given matrix. Marks - * __GLcontextRec::NewState with the dirty stack flag. + * __struct gl_contextRec::NewState with the dirty stack flag. */ void GLAPIENTRY _mesa_MultMatrixf( const GLfloat *m ) @@ -389,7 +384,7 @@ _mesa_MultMatrixf( const GLfloat *m ) * * Flushes the vertices and calls _math_matrix_rotate() with the top-most * matrix in the current stack and the given parameters. Marks - * __GLcontextRec::NewState with the dirty stack flag. + * __struct gl_contextRec::NewState with the dirty stack flag. */ void GLAPIENTRY _mesa_Rotatef( GLfloat angle, GLfloat x, GLfloat y, GLfloat z ) @@ -414,7 +409,7 @@ _mesa_Rotatef( GLfloat angle, GLfloat x, GLfloat y, GLfloat z ) * * Flushes the vertices and calls _math_matrix_scale() with the top-most * matrix in the current stack and the given parameters. Marks - * __GLcontextRec::NewState with the dirty stack flag. + * __struct gl_contextRec::NewState with the dirty stack flag. */ void GLAPIENTRY _mesa_Scalef( GLfloat x, GLfloat y, GLfloat z ) @@ -437,7 +432,7 @@ _mesa_Scalef( GLfloat x, GLfloat y, GLfloat z ) * * Flushes the vertices and calls _math_matrix_translate() with the top-most * matrix in the current stack and the given parameters. Marks - * __GLcontextRec::NewState with the dirty stack flag. + * __struct gl_contextRec::NewState with the dirty stack flag. */ void GLAPIENTRY _mesa_Translatef( GLfloat x, GLfloat y, GLfloat z ) @@ -449,7 +444,6 @@ _mesa_Translatef( GLfloat x, GLfloat y, GLfloat z ) } -#if _HAVE_FULL_GL void GLAPIENTRY _mesa_LoadMatrixd( const GLdouble *m ) { @@ -492,12 +486,10 @@ _mesa_Translated( GLdouble x, GLdouble y, GLdouble z ) { _mesa_Translatef((GLfloat) x, (GLfloat) y, (GLfloat) z); } -#endif -#if _HAVE_FULL_GL void GLAPIENTRY -_mesa_LoadTransposeMatrixfARB( const GLfloat *m ) +_mesa_LoadTransposeMatrixf( const GLfloat *m ) { GLfloat tm[16]; if (!m) return; @@ -507,7 +499,7 @@ _mesa_LoadTransposeMatrixfARB( const GLfloat *m ) void GLAPIENTRY -_mesa_LoadTransposeMatrixdARB( const GLdouble *m ) +_mesa_LoadTransposeMatrixd( const GLdouble *m ) { GLfloat tm[16]; if (!m) return; @@ -517,7 +509,7 @@ _mesa_LoadTransposeMatrixdARB( const GLdouble *m ) void GLAPIENTRY -_mesa_MultTransposeMatrixfARB( const GLfloat *m ) +_mesa_MultTransposeMatrixf( const GLfloat *m ) { GLfloat tm[16]; if (!m) return; @@ -527,128 +519,13 @@ _mesa_MultTransposeMatrixfARB( const GLfloat *m ) void GLAPIENTRY -_mesa_MultTransposeMatrixdARB( const GLdouble *m ) +_mesa_MultTransposeMatrixd( const GLdouble *m ) { GLfloat tm[16]; if (!m) return; _math_transposefd(tm, m); _mesa_MultMatrixf(tm); } -#endif - -/** - * Set the viewport. - * - * \param x, y coordinates of the lower-left corner of the viewport rectangle. - * \param width width of the viewport rectangle. - * \param height height of the viewport rectangle. - * - * \sa Called via glViewport() or display list execution. - * - * Flushes the vertices and calls _mesa_set_viewport() with the given - * parameters. - */ -void GLAPIENTRY -_mesa_Viewport( GLint x, GLint y, GLsizei width, GLsizei height ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); - _mesa_set_viewport(ctx, x, y, width, height); -} - - -/** - * Set new viewport parameters and update derived state (the _WindowMap - * matrix). Usually called from _mesa_Viewport(). - * - * \param ctx GL context. - * \param x, y coordinates of the lower left corner of the viewport rectangle. - * \param width width of the viewport rectangle. - * \param height height of the viewport rectangle. - */ -void -_mesa_set_viewport( GLcontext *ctx, GLint x, GLint y, - GLsizei width, GLsizei height ) -{ - if (MESA_VERBOSE & VERBOSE_API) - _mesa_debug(ctx, "glViewport %d %d %d %d\n", x, y, width, height); - - if (width < 0 || height < 0) { - _mesa_error( ctx, GL_INVALID_VALUE, - "glViewport(%d, %d, %d, %d)", x, y, width, height ); - return; - } - - /* clamp width and height to the implementation dependent range */ - width = CLAMP(width, 1, (GLsizei) ctx->Const.MaxViewportWidth); - height = CLAMP(height, 1, (GLsizei) ctx->Const.MaxViewportHeight); - - ctx->Viewport.X = x; - ctx->Viewport.Width = width; - ctx->Viewport.Y = y; - ctx->Viewport.Height = height; - ctx->NewState |= _NEW_VIEWPORT; - -#if 1 - /* XXX remove this someday. Currently the DRI drivers rely on - * the WindowMap matrix being up to date in the driver's Viewport - * and DepthRange functions. - */ - _math_matrix_viewport(&ctx->Viewport._WindowMap, - ctx->Viewport.X, ctx->Viewport.Y, - ctx->Viewport.Width, ctx->Viewport.Height, - ctx->Viewport.Near, ctx->Viewport.Far, - ctx->DrawBuffer->_DepthMaxF); -#endif - - if (ctx->Driver.Viewport) { - /* Many drivers will use this call to check for window size changes - * and reallocate the z/stencil/accum/etc buffers if needed. - */ - (*ctx->Driver.Viewport)( ctx, x, y, width, height ); - } -} - - -#if _HAVE_FULL_GL -/** - * Called by glDepthRange - * - * \param nearval specifies the Z buffer value which should correspond to - * the near clip plane - * \param farval specifies the Z buffer value which should correspond to - * the far clip plane - */ -void GLAPIENTRY -_mesa_DepthRange( GLclampd nearval, GLclampd farval ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); - - if (MESA_VERBOSE&VERBOSE_API) - _mesa_debug(ctx, "glDepthRange %f %f\n", nearval, farval); - - ctx->Viewport.Near = (GLfloat) CLAMP( nearval, 0.0, 1.0 ); - ctx->Viewport.Far = (GLfloat) CLAMP( farval, 0.0, 1.0 ); - ctx->NewState |= _NEW_VIEWPORT; - -#if 1 - /* XXX remove this someday. Currently the DRI drivers rely on - * the WindowMap matrix being up to date in the driver's Viewport - * and DepthRange functions. - */ - _math_matrix_viewport(&ctx->Viewport._WindowMap, - ctx->Viewport.X, ctx->Viewport.Y, - ctx->Viewport.Width, ctx->Viewport.Height, - ctx->Viewport.Near, ctx->Viewport.Far, - ctx->DrawBuffer->_DepthMaxF); -#endif - - if (ctx->Driver.DepthRange) { - (*ctx->Driver.DepthRange)( ctx, nearval, farval ); - } -} -#endif @@ -665,17 +542,16 @@ _mesa_DepthRange( GLclampd nearval, GLclampd farval ) * Calls _math_matrix_analyse() with the top-matrix of the projection matrix * stack, and recomputes user clip positions if necessary. * - * \note This routine references __GLcontextRec::Tranform attribute values to - * compute userclip positions in clip space, but is only called on + * \note This routine references __struct gl_contextRec::Tranform attribute + * values to compute userclip positions in clip space, but is only called on * _NEW_PROJECTION. The _mesa_ClipPlane() function keeps these values up to - * date across changes to the __GLcontextRec::Transform attributes. + * date across changes to the __struct gl_contextRec::Transform attributes. */ static void -update_projection( GLcontext *ctx ) +update_projection( struct gl_context *ctx ) { _math_matrix_analyse( ctx->ProjectionMatrixStack.Top ); -#if FEATURE_userclip /* Recompute clip plane positions in clipspace. This is also done * in _mesa_ClipPlane(). */ @@ -689,7 +565,6 @@ update_projection( GLcontext *ctx ) } } } -#endif } @@ -699,11 +574,11 @@ update_projection( GLcontext *ctx ) * \param ctx GL context. * * Multiplies the top matrices of the projection and model view stacks into - * __GLcontextRec::_ModelProjectMatrix via _math_matrix_mul_matrix() and - * analyzes the resulting matrix via _math_matrix_analyse(). + * __struct gl_contextRec::_ModelProjectMatrix via _math_matrix_mul_matrix() + * and analyzes the resulting matrix via _math_matrix_analyse(). */ static void -calculate_model_project_matrix( GLcontext *ctx ) +calculate_model_project_matrix( struct gl_context *ctx ) { _math_matrix_mul_matrix( &ctx->_ModelProjectMatrix, ctx->ProjectionMatrixStack.Top, @@ -724,12 +599,12 @@ calculate_model_project_matrix( GLcontext *ctx ) * calculate_model_project_matrix() to recalculate the modelview-projection * matrix. */ -void _mesa_update_modelview_project( GLcontext *ctx, GLuint new_state ) +void _mesa_update_modelview_project( struct gl_context *ctx, GLuint new_state ) { if (new_state & _NEW_MODELVIEW) { _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); - /* Bring cull position uptodate. + /* Bring cull position up to date. */ TRANSFORM_POINT3( ctx->Transform.CullObjPos, ctx->ModelviewMatrixStack.Top->inv, @@ -740,7 +615,7 @@ void _mesa_update_modelview_project( GLcontext *ctx, GLuint new_state ) if (new_state & _NEW_PROJECTION) update_projection( ctx ); - /* Keep ModelviewProject uptodate always to allow tnl + /* Keep ModelviewProject up to date always to allow tnl * implementations that go model->clip even when eye is required. */ calculate_model_project_matrix(ctx); @@ -762,8 +637,7 @@ void _mesa_update_modelview_project( GLcontext *ctx, GLuint new_state ) * \param dirtyFlag dirty flag. * * Allocates an array of \p maxDepth elements for the matrix stack and calls - * _math_matrix_ctr() and _math_matrix_alloc_inv() for each element to - * initialize it. + * _math_matrix_ctr() for each element to initialize it. */ static void init_matrix_stack( struct gl_matrix_stack *stack, @@ -775,10 +649,9 @@ init_matrix_stack( struct gl_matrix_stack *stack, stack->MaxDepth = maxDepth; stack->DirtyFlag = dirtyFlag; /* The stack */ - stack->Stack = (GLmatrix *) CALLOC(maxDepth * sizeof(GLmatrix)); + stack->Stack = calloc(maxDepth, sizeof(GLmatrix)); for (i = 0; i < maxDepth; i++) { _math_matrix_ctr(&stack->Stack[i]); - _math_matrix_alloc_inv(&stack->Stack[i]); } stack->Top = stack->Stack; } @@ -798,7 +671,7 @@ free_matrix_stack( struct gl_matrix_stack *stack ) for (i = 0; i < stack->MaxDepth; i++) { _math_matrix_dtr(&stack->Stack[i]); } - FREE(stack->Stack); + free(stack->Stack); stack->Stack = stack->Top = NULL; } @@ -818,7 +691,7 @@ free_matrix_stack( struct gl_matrix_stack *stack ) * Initializes each of the matrix stacks and the combined modelview-projection * matrix. */ -void _mesa_init_matrix( GLcontext * ctx ) +void _mesa_init_matrix( struct gl_context * ctx ) { GLint i; @@ -827,12 +700,10 @@ void _mesa_init_matrix( GLcontext * ctx ) _NEW_MODELVIEW); init_matrix_stack(&ctx->ProjectionMatrixStack, MAX_PROJECTION_STACK_DEPTH, _NEW_PROJECTION); - init_matrix_stack(&ctx->ColorMatrixStack, MAX_COLOR_STACK_DEPTH, - _NEW_COLOR_MATRIX); - for (i = 0; i < MAX_TEXTURE_UNITS; i++) + for (i = 0; i < Elements(ctx->TextureMatrixStack); i++) init_matrix_stack(&ctx->TextureMatrixStack[i], MAX_TEXTURE_STACK_DEPTH, _NEW_TEXTURE_MATRIX); - for (i = 0; i < MAX_PROGRAM_MATRICES; i++) + for (i = 0; i < Elements(ctx->ProgramMatrixStack); i++) init_matrix_stack(&ctx->ProgramMatrixStack[i], MAX_PROGRAM_MATRIX_STACK_DEPTH, _NEW_TRACK_MATRIX); ctx->CurrentStack = &ctx->ModelviewMatrixStack; @@ -850,16 +721,15 @@ void _mesa_init_matrix( GLcontext * ctx ) * Frees each of the matrix stacks and the combined modelview-projection * matrix. */ -void _mesa_free_matrix_data( GLcontext *ctx ) +void _mesa_free_matrix_data( struct gl_context *ctx ) { GLint i; free_matrix_stack(&ctx->ModelviewMatrixStack); free_matrix_stack(&ctx->ProjectionMatrixStack); - free_matrix_stack(&ctx->ColorMatrixStack); - for (i = 0; i < MAX_TEXTURE_UNITS; i++) + for (i = 0; i < Elements(ctx->TextureMatrixStack); i++) free_matrix_stack(&ctx->TextureMatrixStack[i]); - for (i = 0; i < MAX_PROGRAM_MATRICES; i++) + for (i = 0; i < Elements(ctx->ProgramMatrixStack); i++) free_matrix_stack(&ctx->ProgramMatrixStack[i]); /* combined Modelview*Projection matrix */ _math_matrix_dtr( &ctx->_ModelProjectMatrix ); @@ -874,16 +744,16 @@ void _mesa_free_matrix_data( GLcontext *ctx ) * * \todo Move this to a new file with other 'transform' routines. */ -void _mesa_init_transform( GLcontext *ctx ) +void _mesa_init_transform( struct gl_context *ctx ) { - GLint i; + GLuint i; /* Transformation group */ ctx->Transform.MatrixMode = GL_MODELVIEW; ctx->Transform.Normalize = GL_FALSE; ctx->Transform.RescaleNormals = GL_FALSE; ctx->Transform.RasterPositionUnclipped = GL_FALSE; - for (i=0;iConst.MaxClipPlanes;i++) { ASSIGN_4V( ctx->Transform.EyeUserPlane[i], 0.0, 0.0, 0.0, 0.0 ); } ctx->Transform.ClipPlanesEnabled = 0; @@ -893,41 +763,4 @@ void _mesa_init_transform( GLcontext *ctx ) } -/** - * Initialize the context viewport attribute group. - * - * \param ctx GL context. - * - * \todo Move this to a new file with other 'viewport' routines. - */ -void _mesa_init_viewport( GLcontext *ctx ) -{ - GLfloat depthMax = 65535.0F; /* sorf of arbitrary */ - - /* Viewport group */ - ctx->Viewport.X = 0; - ctx->Viewport.Y = 0; - ctx->Viewport.Width = 0; - ctx->Viewport.Height = 0; - ctx->Viewport.Near = 0.0; - ctx->Viewport.Far = 1.0; - _math_matrix_ctr(&ctx->Viewport._WindowMap); - - _math_matrix_viewport(&ctx->Viewport._WindowMap, 0, 0, 0, 0, - 0.0F, 1.0F, depthMax); -} - - -/** - * Free the context viewport attribute group data. - * - * \param ctx GL context. - * - * \todo Move this to a new file with other 'viewport' routines. - */ -void _mesa_free_viewport_data( GLcontext *ctx ) -{ - _math_matrix_dtr(&ctx->Viewport._WindowMap); -} - /*@}*/