fixed errors in feedback for glDraw/CopyPixels and glBitmap
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59235bd5da
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d9331ae71e
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@ -1,8 +1,8 @@
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/* $Id: drawpix.c,v 1.56 2001/06/26 21:15:35 brianp Exp $ */
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/* $Id: drawpix.c,v 1.57 2001/12/13 19:12:42 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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* Version: 3.5
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* Version: 4.1
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*
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* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
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*
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@ -72,20 +72,13 @@ _mesa_DrawPixels( GLsizei width, GLsizei height,
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}
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else if (ctx->RenderMode==GL_FEEDBACK) {
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if (ctx->Current.RasterPosValid) {
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GLfloat texcoord[4], invq;
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FLUSH_CURRENT(ctx, 0);
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invq = 1.0F / ctx->Current.Texcoord[0][3];
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texcoord[0] = ctx->Current.Texcoord[0][0] * invq;
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texcoord[1] = ctx->Current.Texcoord[0][1] * invq;
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texcoord[2] = ctx->Current.Texcoord[0][2] * invq;
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texcoord[3] = ctx->Current.Texcoord[0][3];
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FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_DRAW_PIXEL_TOKEN );
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_mesa_feedback_vertex( ctx,
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ctx->Current.RasterPos,
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ctx->Current.Color,
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ctx->Current.Index,
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texcoord );
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ctx->Current.RasterColor,
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ctx->Current.RasterIndex,
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ctx->Current.RasterTexCoord );
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}
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}
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else if (ctx->RenderMode==GL_SELECT) {
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@ -152,13 +145,15 @@ _mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
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type );
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}
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else if (ctx->RenderMode == GL_FEEDBACK) {
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FLUSH_CURRENT( ctx, 0 );
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if (ctx->Current.RasterPosValid) {
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FLUSH_CURRENT(ctx, 0);
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FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_COPY_PIXEL_TOKEN );
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_mesa_feedback_vertex( ctx,
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ctx->Current.RasterPos,
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ctx->Current.Color,
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ctx->Current.Index,
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ctx->Current.Texcoord[0] );
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ctx->Current.RasterColor,
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ctx->Current.RasterIndex,
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ctx->Current.RasterTexCoord );
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}
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}
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else if (ctx->RenderMode == GL_SELECT) {
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_mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
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@ -175,7 +170,6 @@ _mesa_Bitmap( GLsizei width, GLsizei height,
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GET_CURRENT_CONTEXT(ctx);
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ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
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/* Error checking */
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if (width < 0 || height < 0) {
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_mesa_error( ctx, GL_INVALID_VALUE, "glBitmap" );
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@ -201,24 +195,15 @@ _mesa_Bitmap( GLsizei width, GLsizei height,
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}
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}
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else if (ctx->RenderMode==GL_FEEDBACK) {
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GLfloat color[4], texcoord[4], invq;
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color[0] = ctx->Current.RasterColor[0];
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color[1] = ctx->Current.RasterColor[1];
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color[2] = ctx->Current.RasterColor[2];
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color[3] = ctx->Current.RasterColor[3];
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if (ctx->Current.Texcoord[0][3] == 0.0)
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invq = 1.0F;
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else
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invq = 1.0F / ctx->Current.RasterTexCoord[3];
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texcoord[0] = ctx->Current.RasterTexCoord[0] * invq;
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texcoord[1] = ctx->Current.RasterTexCoord[1] * invq;
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texcoord[2] = ctx->Current.RasterTexCoord[2] * invq;
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texcoord[3] = ctx->Current.RasterTexCoord[3];
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if (ctx->Current.RasterPosValid) {
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FLUSH_CURRENT(ctx, 0);
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FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_BITMAP_TOKEN );
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_mesa_feedback_vertex( ctx,
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ctx->Current.RasterPos,
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color, ctx->Current.RasterIndex, texcoord );
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ctx->Current.RasterColor,
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ctx->Current.RasterIndex,
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ctx->Current.RasterTexCoord );
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}
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}
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else if (ctx->RenderMode==GL_SELECT) {
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/* Bitmaps don't generate selection hits. See appendix B of 1.1 spec. */
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