diff options
| -rw-r--r-- | src/mesa/main/texstate.c | 118 |
1 files changed, 59 insertions, 59 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index 5df76983aa8..1719effdee9 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 7.1 + * Version: 7.5 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * @@ -68,7 +68,7 @@ static const struct gl_tex_env_combine_state default_combine_state = { void _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst ) { - GLuint i, tex; + GLuint u, tex; ASSERT(src); ASSERT(dst); @@ -80,26 +80,26 @@ _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst ) dst->Texture.SharedPalette = src->Texture.SharedPalette; /* per-unit state */ - for (i = 0; i < src->Const.MaxTextureImageUnits; i++) { - dst->Texture.Unit[i].Enabled = src->Texture.Unit[i].Enabled; - dst->Texture.Unit[i].EnvMode = src->Texture.Unit[i].EnvMode; - COPY_4V(dst->Texture.Unit[i].EnvColor, src->Texture.Unit[i].EnvColor); - dst->Texture.Unit[i].TexGenEnabled = src->Texture.Unit[i].TexGenEnabled; - dst->Texture.Unit[i].GenS = src->Texture.Unit[i].GenS; - dst->Texture.Unit[i].GenT = src->Texture.Unit[i].GenT; - dst->Texture.Unit[i].GenR = src->Texture.Unit[i].GenR; - dst->Texture.Unit[i].GenQ = src->Texture.Unit[i].GenQ; - dst->Texture.Unit[i].LodBias = src->Texture.Unit[i].LodBias; + for (u = 0; u < src->Const.MaxTextureImageUnits; u++) { + dst->Texture.Unit[u].Enabled = src->Texture.Unit[u].Enabled; + dst->Texture.Unit[u].EnvMode = src->Texture.Unit[u].EnvMode; + COPY_4V(dst->Texture.Unit[u].EnvColor, src->Texture.Unit[u].EnvColor); + dst->Texture.Unit[u].TexGenEnabled = src->Texture.Unit[u].TexGenEnabled; + dst->Texture.Unit[u].GenS = src->Texture.Unit[u].GenS; + dst->Texture.Unit[u].GenT = src->Texture.Unit[u].GenT; + dst->Texture.Unit[u].GenR = src->Texture.Unit[u].GenR; + dst->Texture.Unit[u].GenQ = src->Texture.Unit[u].GenQ; + dst->Texture.Unit[u].LodBias = src->Texture.Unit[u].LodBias; /* GL_EXT_texture_env_combine */ - dst->Texture.Unit[i].Combine = src->Texture.Unit[i].Combine; + dst->Texture.Unit[u].Combine = src->Texture.Unit[u].Combine; /* copy texture object bindings, not contents of texture objects */ _mesa_lock_context_textures(dst); for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) { - _mesa_reference_texobj(&dst->Texture.Unit[i].CurrentTex[tex], - src->Texture.Unit[i].CurrentTex[tex]); + _mesa_reference_texobj(&dst->Texture.Unit[u].CurrentTex[tex], + src->Texture.Unit[u].CurrentTex[tex]); } _mesa_unlock_context_textures(dst); @@ -333,20 +333,20 @@ _mesa_ClientActiveTextureARB(GLenum texture) static void update_texture_matrices( GLcontext *ctx ) { - GLuint i; + GLuint u; - ctx->Texture._TexMatEnabled = 0; + ctx->Texture._TexMatEnabled = 0x0; - for (i=0; i < ctx->Const.MaxTextureCoordUnits; i++) { - if (_math_matrix_is_dirty(ctx->TextureMatrixStack[i].Top)) { - _math_matrix_analyse( ctx->TextureMatrixStack[i].Top ); + for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) { + if (_math_matrix_is_dirty(ctx->TextureMatrixStack[u].Top)) { + _math_matrix_analyse( ctx->TextureMatrixStack[u].Top ); - if (ctx->Texture.Unit[i]._ReallyEnabled && - ctx->TextureMatrixStack[i].Top->type != MATRIX_IDENTITY) - ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(i); + if (ctx->Texture.Unit[u]._ReallyEnabled && + ctx->TextureMatrixStack[u].Top->type != MATRIX_IDENTITY) + ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(u); if (ctx->Driver.TextureMatrix) - ctx->Driver.TextureMatrix( ctx, i, ctx->TextureMatrixStack[i].Top); + ctx->Driver.TextureMatrix( ctx, u, ctx->TextureMatrixStack[u].Top); } } } @@ -411,6 +411,8 @@ texture_override(GLcontext *ctx, static void update_tex_combine(GLcontext *ctx, struct gl_texture_unit *texUnit) { + struct gl_tex_env_combine_state *combine; + /* Set the texUnit->_CurrentCombine field to point to the user's combiner * state, or the combiner state which is derived from traditional texenv * mode. @@ -433,17 +435,19 @@ update_tex_combine(GLcontext *ctx, struct gl_texture_unit *texUnit) texUnit->_CurrentCombine = & texUnit->_EnvMode; } + combine = texUnit->_CurrentCombine; + /* Determine number of source RGB terms in the combiner function */ - switch (texUnit->_CurrentCombine->ModeRGB) { + switch (combine->ModeRGB) { case GL_REPLACE: - texUnit->_CurrentCombine->_NumArgsRGB = 1; + combine->_NumArgsRGB = 1; break; case GL_ADD: case GL_ADD_SIGNED: if (texUnit->EnvMode == GL_COMBINE4_NV) - texUnit->_CurrentCombine->_NumArgsRGB = 4; + combine->_NumArgsRGB = 4; else - texUnit->_CurrentCombine->_NumArgsRGB = 2; + combine->_NumArgsRGB = 2; break; case GL_MODULATE: case GL_SUBTRACT: @@ -451,44 +455,44 @@ update_tex_combine(GLcontext *ctx, struct gl_texture_unit *texUnit) case GL_DOT3_RGBA: case GL_DOT3_RGB_EXT: case GL_DOT3_RGBA_EXT: - texUnit->_CurrentCombine->_NumArgsRGB = 2; + combine->_NumArgsRGB = 2; break; case GL_INTERPOLATE: case GL_MODULATE_ADD_ATI: case GL_MODULATE_SIGNED_ADD_ATI: case GL_MODULATE_SUBTRACT_ATI: - texUnit->_CurrentCombine->_NumArgsRGB = 3; + combine->_NumArgsRGB = 3; break; default: - texUnit->_CurrentCombine->_NumArgsRGB = 0; + combine->_NumArgsRGB = 0; _mesa_problem(ctx, "invalid RGB combine mode in update_texture_state"); return; } /* Determine number of source Alpha terms in the combiner function */ - switch (texUnit->_CurrentCombine->ModeA) { + switch (combine->ModeA) { case GL_REPLACE: - texUnit->_CurrentCombine->_NumArgsA = 1; + combine->_NumArgsA = 1; break; case GL_ADD: case GL_ADD_SIGNED: if (texUnit->EnvMode == GL_COMBINE4_NV) - texUnit->_CurrentCombine->_NumArgsA = 4; + combine->_NumArgsA = 4; else - texUnit->_CurrentCombine->_NumArgsA = 2; + combine->_NumArgsA = 2; break; case GL_MODULATE: case GL_SUBTRACT: - texUnit->_CurrentCombine->_NumArgsA = 2; + combine->_NumArgsA = 2; break; case GL_INTERPOLATE: case GL_MODULATE_ADD_ATI: case GL_MODULATE_SIGNED_ADD_ATI: case GL_MODULATE_SUBTRACT_ATI: - texUnit->_CurrentCombine->_NumArgsA = 3; + combine->_NumArgsA = 3; break; default: - texUnit->_CurrentCombine->_NumArgsA = 0; + combine->_NumArgsA = 0; _mesa_problem(ctx, "invalid Alpha combine mode in update_texture_state"); break; } @@ -530,10 +534,10 @@ update_texture_state( GLcontext *ctx ) /* TODO: only set this if there are actual changes */ ctx->NewState |= _NEW_TEXTURE; - ctx->Texture._EnabledUnits = 0; - ctx->Texture._GenFlags = 0; - ctx->Texture._TexMatEnabled = 0; - ctx->Texture._TexGenEnabled = 0; + ctx->Texture._EnabledUnits = 0x0; + ctx->Texture._GenFlags = 0x0; + ctx->Texture._TexMatEnabled = 0x0; + ctx->Texture._TexGenEnabled = 0x0; /* * Update texture unit state. @@ -544,8 +548,8 @@ update_texture_state( GLcontext *ctx ) GLuint texIndex; texUnit->_Current = NULL; - texUnit->_ReallyEnabled = 0; - texUnit->_GenFlags = 0; + texUnit->_ReallyEnabled = 0x0; + texUnit->_GenFlags = 0x0; /* Get the bitmask of texture target enables. * enableBits will be a mask of the TEXTURE_*_BIT flags indicating @@ -710,7 +714,7 @@ init_texture_unit( GLcontext *ctx, GLuint unit ) texUnit->_EnvMode = default_combine_state; texUnit->_CurrentCombine = & texUnit->_EnvMode; - texUnit->TexGenEnabled = 0; + texUnit->TexGenEnabled = 0x0; texUnit->GenS.Mode = GL_EYE_LINEAR; texUnit->GenT.Mode = GL_EYE_LINEAR; texUnit->GenR.Mode = GL_EYE_LINEAR; @@ -744,18 +748,18 @@ init_texture_unit( GLcontext *ctx, GLuint unit ) GLboolean _mesa_init_texture(GLcontext *ctx) { - GLuint i; + GLuint u; /* Texture group */ ctx->Texture.CurrentUnit = 0; /* multitexture */ - ctx->Texture._EnabledUnits = 0; + ctx->Texture._EnabledUnits = 0x0; ctx->Texture.SharedPalette = GL_FALSE; #if FEATURE_colortable _mesa_init_colortable(&ctx->Texture.Palette); #endif - for (i = 0; i < MAX_TEXTURE_UNITS; i++) - init_texture_unit( ctx, i ); + for (u = 0; u < MAX_TEXTURE_UNITS; u++) + init_texture_unit(ctx, u); /* After we're done initializing the context's texture state the default * texture objects' refcounts should be at least MAX_TEXTURE_UNITS + 1. @@ -781,9 +785,8 @@ _mesa_free_texture_data(GLcontext *ctx) /* unreference current textures */ for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) { - struct gl_texture_unit *unit = ctx->Texture.Unit + u; for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) { - _mesa_reference_texobj(&unit->CurrentTex[tgt], NULL); + _mesa_reference_texobj(&ctx->Texture.Unit[u].CurrentTex[tgt], NULL); } } @@ -792,11 +795,8 @@ _mesa_free_texture_data(GLcontext *ctx) ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]); #if FEATURE_colortable - { - GLuint i; - for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++) - _mesa_free_colortable_data( &ctx->Texture.Unit[i].ColorTable ); - } + for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) + _mesa_free_colortable_data(&ctx->Texture.Unit[u].ColorTable); #endif } @@ -809,10 +809,10 @@ _mesa_free_texture_data(GLcontext *ctx) void _mesa_update_default_objects_texture(GLcontext *ctx) { - GLuint i, tex; + GLuint u, tex; - for (i = 0; i < MAX_TEXTURE_UNITS; i++) { - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i]; + for (u = 0; u < MAX_TEXTURE_UNITS; u++) { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[u]; for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) { _mesa_reference_texobj(&texUnit->CurrentTex[tex], ctx->Shared->DefaultTex[tex]); |