X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Ffeedback.c;h=128a12622e8b9f091556afe012838d3638c03ae3;hb=ca5840afb0eae56f86668d0b5562c6d82fe8ad4b;hp=731fdf86bb85569e0452384f6d6d438c3ed4c247;hpb=6dc85575000127630489b407c50a4b3ea87c9acb;p=mesa.git diff --git a/src/mesa/main/feedback.c b/src/mesa/main/feedback.c index 731fdf86bb8..128a12622e8 100644 --- a/src/mesa/main/feedback.c +++ b/src/mesa/main/feedback.c @@ -1,13 +1,9 @@ -/** - * \file feedback.c - * Selection and feedback modes functions. - */ - /* * Mesa 3-D graphics library - * Version: 5.1 + * Version: 7.5 * - * Copyright (C) 1999-2003 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"), @@ -27,6 +23,11 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/** + * \file feedback.c + * Selection and feedback modes functions. + */ + #include "glheader.h" #include "colormac.h" @@ -34,21 +35,19 @@ #include "enums.h" #include "feedback.h" #include "macros.h" +#include "mfeatures.h" #include "mtypes.h" - - -#if _HAVE_FULL_GL +#include "main/dispatch.h" #define FB_3D 0x01 #define FB_4D 0x02 -#define FB_INDEX 0x04 -#define FB_COLOR 0x08 -#define FB_TEXTURE 0X10 +#define FB_COLOR 0x04 +#define FB_TEXTURE 0X08 -void +void GLAPIENTRY _mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer ) { GET_CURRENT_CONTEXT(ctx); @@ -62,7 +61,7 @@ _mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer ) _mesa_error( ctx, GL_INVALID_VALUE, "glFeedbackBuffer(size<0)" ); return; } - if (!buffer) { + if (!buffer && size > 0) { _mesa_error( ctx, GL_INVALID_VALUE, "glFeedbackBuffer(buffer==NULL)" ); ctx->Feedback.BufferSize = 0; return; @@ -76,18 +75,13 @@ _mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer ) ctx->Feedback._Mask = FB_3D; break; case GL_3D_COLOR: - ctx->Feedback._Mask = (FB_3D | - (ctx->Visual.rgbMode ? FB_COLOR : FB_INDEX)); + ctx->Feedback._Mask = (FB_3D | FB_COLOR); break; case GL_3D_COLOR_TEXTURE: - ctx->Feedback._Mask = (FB_3D | - (ctx->Visual.rgbMode ? FB_COLOR : FB_INDEX) | - FB_TEXTURE); + ctx->Feedback._Mask = (FB_3D | FB_COLOR | FB_TEXTURE); break; case GL_4D_COLOR_TEXTURE: - ctx->Feedback._Mask = (FB_3D | FB_4D | - (ctx->Visual.rgbMode ? FB_COLOR : FB_INDEX) | - FB_TEXTURE); + ctx->Feedback._Mask = (FB_3D | FB_4D | FB_COLOR | FB_TEXTURE); break; default: _mesa_error( ctx, GL_INVALID_ENUM, "glFeedbackBuffer" ); @@ -102,7 +96,7 @@ _mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer ) } -void +void GLAPIENTRY _mesa_PassThrough( GLfloat token ) { GET_CURRENT_CONTEXT(ctx); @@ -110,49 +104,43 @@ _mesa_PassThrough( GLfloat token ) if (ctx->RenderMode==GL_FEEDBACK) { FLUSH_VERTICES(ctx, 0); - FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_PASS_THROUGH_TOKEN ); - FEEDBACK_TOKEN( ctx, token ); + _mesa_feedback_token( ctx, (GLfloat) (GLint) GL_PASS_THROUGH_TOKEN ); + _mesa_feedback_token( ctx, token ); } } - -/* +/** * Put a vertex into the feedback buffer. */ -void _mesa_feedback_vertex( GLcontext *ctx, - const GLfloat win[4], - const GLfloat color[4], - GLuint index, - const GLfloat texcoord[4] ) +void +_mesa_feedback_vertex(struct gl_context *ctx, + const GLfloat win[4], + const GLfloat color[4], + const GLfloat texcoord[4]) { - FEEDBACK_TOKEN( ctx, win[0] ); - FEEDBACK_TOKEN( ctx, win[1] ); + _mesa_feedback_token( ctx, win[0] ); + _mesa_feedback_token( ctx, win[1] ); if (ctx->Feedback._Mask & FB_3D) { - FEEDBACK_TOKEN( ctx, win[2] ); + _mesa_feedback_token( ctx, win[2] ); } if (ctx->Feedback._Mask & FB_4D) { - FEEDBACK_TOKEN( ctx, win[3] ); - } - if (ctx->Feedback._Mask & FB_INDEX) { - FEEDBACK_TOKEN( ctx, (GLfloat) index ); + _mesa_feedback_token( ctx, win[3] ); } if (ctx->Feedback._Mask & FB_COLOR) { - FEEDBACK_TOKEN( ctx, color[0] ); - FEEDBACK_TOKEN( ctx, color[1] ); - FEEDBACK_TOKEN( ctx, color[2] ); - FEEDBACK_TOKEN( ctx, color[3] ); + _mesa_feedback_token( ctx, color[0] ); + _mesa_feedback_token( ctx, color[1] ); + _mesa_feedback_token( ctx, color[2] ); + _mesa_feedback_token( ctx, color[3] ); } if (ctx->Feedback._Mask & FB_TEXTURE) { - FEEDBACK_TOKEN( ctx, texcoord[0] ); - FEEDBACK_TOKEN( ctx, texcoord[1] ); - FEEDBACK_TOKEN( ctx, texcoord[2] ); - FEEDBACK_TOKEN( ctx, texcoord[3] ); + _mesa_feedback_token( ctx, texcoord[0] ); + _mesa_feedback_token( ctx, texcoord[1] ); + _mesa_feedback_token( ctx, texcoord[2] ); + _mesa_feedback_token( ctx, texcoord[3] ); } } -#endif - /**********************************************************************/ /** \name Selection */ @@ -169,14 +157,19 @@ void _mesa_feedback_vertex( GLcontext *ctx, * \note this function can't be put in a display list. * * Verifies we're not in selection mode, flushes the vertices and initialize - * the fields in __GLcontextRec::Select with the given buffer. + * the fields in __struct gl_contextRec::Select with the given buffer. */ -void +void GLAPIENTRY _mesa_SelectBuffer( GLsizei size, GLuint *buffer ) { GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); + if (size < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glSelectBuffer(size)"); + return; + } + if (ctx->RenderMode==GL_SELECT) { _mesa_error( ctx, GL_INVALID_OPERATION, "glSelectBuffer" ); return; /* KW: added return */ @@ -195,17 +188,20 @@ _mesa_SelectBuffer( GLsizei size, GLuint *buffer ) /** * Write a value of a record into the selection buffer. * - * \param CTX GL context. - * \param V value. + * \param ctx GL context. + * \param value value. * * Verifies there is free space in the buffer to write the value and * increments the pointer. */ -#define WRITE_RECORD( CTX, V ) \ - if (CTX->Select.BufferCount < CTX->Select.BufferSize) { \ - CTX->Select.Buffer[CTX->Select.BufferCount] = (V); \ - } \ - CTX->Select.BufferCount++; +static inline void +write_record(struct gl_context *ctx, GLuint value) +{ + if (ctx->Select.BufferCount < ctx->Select.BufferSize) { + ctx->Select.Buffer[ctx->Select.BufferCount] = value; + } + ctx->Select.BufferCount++; +} /** @@ -217,7 +213,8 @@ _mesa_SelectBuffer( GLsizei size, GLuint *buffer ) * Sets gl_selection::HitFlag and updates gl_selection::HitMinZ and * gl_selection::HitMaxZ. */ -void _mesa_update_hitflag( GLcontext *ctx, GLfloat z ) +void +_mesa_update_hitflag(struct gl_context *ctx, GLfloat z) { ctx->Select.HitFlag = GL_TRUE; if (z < ctx->Select.HitMinZ) { @@ -240,7 +237,8 @@ void _mesa_update_hitflag( GLcontext *ctx, GLfloat z ) * * \sa gl_selection. */ -static void write_hit_record( GLcontext *ctx ) +static void +write_hit_record(struct gl_context *ctx) { GLuint i; GLuint zmin, zmax, zscale = (~0u); @@ -252,11 +250,11 @@ static void write_hit_record( GLcontext *ctx ) zmin = (GLuint) ((GLfloat) zscale * ctx->Select.HitMinZ); zmax = (GLuint) ((GLfloat) zscale * ctx->Select.HitMaxZ); - WRITE_RECORD( ctx, ctx->Select.NameStackDepth ); - WRITE_RECORD( ctx, zmin ); - WRITE_RECORD( ctx, zmax ); + write_record( ctx, ctx->Select.NameStackDepth ); + write_record( ctx, zmin ); + write_record( ctx, zmax ); for (i = 0; i < ctx->Select.NameStackDepth; i++) { - WRITE_RECORD( ctx, ctx->Select.NameStack[i] ); + write_record( ctx, ctx->Select.NameStack[i] ); } ctx->Select.Hits++; @@ -271,9 +269,9 @@ static void write_hit_record( GLcontext *ctx ) * * Verifies we are in select mode and resets the name stack depth and resets * the hit record data in gl_selection. Marks new render mode in - * __GLcontextRec::NewState. + * __struct gl_contextRec::NewState. */ -void +void GLAPIENTRY _mesa_InitNames( void ) { GET_CURRENT_CONTEXT(ctx); @@ -302,9 +300,9 @@ _mesa_InitNames( void ) * Flushes vertices. If there is a hit flag writes it (via write_hit_record()), * and replace the top-most name in the stack. * - * sa __GLcontextRec::Select. + * sa __struct gl_contextRec::Select. */ -void +void GLAPIENTRY _mesa_LoadName( GLuint name ) { GET_CURRENT_CONTEXT(ctx); @@ -341,9 +339,9 @@ _mesa_LoadName( GLuint name ) * Flushes vertices. If there is a hit flag writes it (via write_hit_record()), * and adds the name to the top of the name stack. * - * sa __GLcontextRec::Select. + * sa __struct gl_contextRec::Select. */ -void +void GLAPIENTRY _mesa_PushName( GLuint name ) { GET_CURRENT_CONTEXT(ctx); @@ -372,9 +370,9 @@ _mesa_PushName( GLuint name ) * Flushes vertices. If there is a hit flag writes it (via write_hit_record()), * and removes top-most name in the name stack. * - * sa __GLcontextRec::Select. + * sa __struct gl_contextRec::Select. */ -void +void GLAPIENTRY _mesa_PopName( void ) { GET_CURRENT_CONTEXT(ctx); @@ -414,10 +412,10 @@ _mesa_PopName( void ) * Flushes the vertices and do the necessary cleanup according to the previous * rasterization mode, such as writing the hit record or resent the select * buffer index when exiting the select mode. Updates - * __GLcontextRec::RenderMode and notifies the driver via the + * __struct gl_contextRec::RenderMode and notifies the driver via the * dd_function_table::RenderMode callback. */ -GLint +GLint GLAPIENTRY _mesa_RenderMode( GLenum mode ) { GET_CURRENT_CONTEXT(ctx); @@ -451,7 +449,6 @@ _mesa_RenderMode( GLenum mode ) ctx->Select.Hits = 0; ctx->Select.NameStackDepth = 0; break; -#if _HAVE_FULL_GL case GL_FEEDBACK: if (ctx->Feedback.Count > ctx->Feedback.BufferSize) { /* overflow */ @@ -462,7 +459,6 @@ _mesa_RenderMode( GLenum mode ) } ctx->Feedback.Count = 0; break; -#endif default: _mesa_error( ctx, GL_INVALID_ENUM, "glRenderMode" ); return 0; @@ -477,14 +473,12 @@ _mesa_RenderMode( GLenum mode ) _mesa_error( ctx, GL_INVALID_OPERATION, "glRenderMode" ); } break; -#if _HAVE_FULL_GL case GL_FEEDBACK: if (ctx->Feedback.BufferSize==0) { /* haven't called glFeedbackBuffer yet */ _mesa_error( ctx, GL_INVALID_OPERATION, "glRenderMode" ); } break; -#endif default: _mesa_error( ctx, GL_INVALID_ENUM, "glRenderMode" ); return 0; @@ -507,7 +501,7 @@ _mesa_RenderMode( GLenum mode ) /** * Initialize context feedback data. */ -void _mesa_init_feedback( GLcontext * ctx ) +void _mesa_init_feedback( struct gl_context * ctx ) { /* Feedback */ ctx->Feedback.Type = GL_2D; /* TODO: verify */