X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fmatrix.c;h=ebc3cbd59c32236846b42c9d4689d4159433c2f5;hb=a856d635d300f842e9fa6413b0255bdb64142838;hp=0f96f949096ab4a6dff65d26a4807a90132d055f;hpb=d23dd812ad597ddbe82be5f95708ece9ad63a2fa;p=mesa.git diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c index 0f96f949096..ebc3cbd59c3 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"), @@ -42,7 +43,6 @@ #include "matrix.h" #include "mtypes.h" #include "math/m_matrix.h" -#include "math/m_xform.h" /** @@ -160,10 +160,21 @@ _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: @@ -536,120 +547,6 @@ _mesa_MultTransposeMatrixdARB( const GLdouble *m ) } #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 - /**********************************************************************/ @@ -893,41 +790,4 @@ 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); -} - /*@}*/