From 7933658107276f9d5491f8736a743cf8f8bbd5f2 Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 2 Apr 2010 14:47:58 +0000 Subject: Updated to following packages: mesa-7.8 --- mesalib/src/mesa/swrast/s_clear.c | 149 +++++--------------------------------- 1 file changed, 19 insertions(+), 130 deletions(-) (limited to 'mesalib/src/mesa/swrast/s_clear.c') diff --git a/mesalib/src/mesa/swrast/s_clear.c b/mesalib/src/mesa/swrast/s_clear.c index 002718ded..7b0a63391 100644 --- a/mesalib/src/mesa/swrast/s_clear.c +++ b/mesalib/src/mesa/swrast/s_clear.c @@ -24,6 +24,7 @@ #include "main/glheader.h" #include "main/colormac.h" +#include "main/condrender.h" #include "main/formats.h" #include "main/macros.h" #include "main/imports.h" @@ -40,7 +41,8 @@ * Clear the color buffer when glColorMask is in effect. */ static void -clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb) +clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb, + GLuint buf) { const GLint x = ctx->DrawBuffer->_Xmin; const GLint y = ctx->DrawBuffer->_Ymin; @@ -49,7 +51,6 @@ clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb) SWspan span; GLint i; - ASSERT(ctx->Visual.rgbMode); ASSERT(rb->PutRow); /* Initialize color span with clear color */ @@ -75,7 +76,7 @@ clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb) UNCLAMPED_FLOAT_TO_USHORT(clearColor[BCOMP], ctx->Color.ClearColor[2]); UNCLAMPED_FLOAT_TO_USHORT(clearColor[ACOMP], ctx->Color.ClearColor[3]); for (i = 0; i < width; i++) { - COPY_4V(span.array->rgba[i], clearColor); + COPY_4V_CAST(span.array->rgba[i], clearColor, GLchan); } } else { @@ -95,57 +96,18 @@ clear_rgba_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb) for (i = 0; i < height; i++) { span.x = x; span.y = y + i; - _swrast_mask_rgba_span(ctx, rb, &span); + _swrast_mask_rgba_span(ctx, rb, &span, buf); /* write masked row */ rb->PutRow(ctx, rb, width, x, y + i, span.array->rgba, NULL); } } -/** - * Clear color index buffer with masking. - */ -static void -clear_ci_buffer_with_masking(GLcontext *ctx, struct gl_renderbuffer *rb) -{ - const GLint x = ctx->DrawBuffer->_Xmin; - const GLint y = ctx->DrawBuffer->_Ymin; - const GLint height = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin; - const GLint width = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin; - SWspan span; - GLint i; - - ASSERT(!ctx->Visual.rgbMode); - ASSERT(rb->PutRow); - ASSERT(rb->DataType == GL_UNSIGNED_INT); - - /* Initialize index span with clear index */ - INIT_SPAN(span, GL_BITMAP); - span.end = width; - span.arrayMask = SPAN_INDEX; - for (i = 0; i < width;i++) { - span.array->index[i] = ctx->Color.ClearIndex; - } - - /* Note that masking will change the color indexes, but only the - * bits for which the write mask is GL_FALSE. The bits - * which are write-enabled won't get modified. - */ - for (i = 0; i < height;i++) { - span.x = x; - span.y = y + i; - _swrast_mask_ci_span(ctx, rb, &span); - /* write masked row */ - rb->PutRow(ctx, rb, width, x, y + i, span.array->index, NULL); - } -} - - /** * Clear an rgba color buffer without channel masking. */ static void -clear_rgba_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) +clear_rgba_buffer(GLcontext *ctx, struct gl_renderbuffer *rb, GLuint buf) { const GLint x = ctx->DrawBuffer->_Xmin; const GLint y = ctx->DrawBuffer->_Ymin; @@ -156,12 +118,10 @@ clear_rgba_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) GLvoid *clearVal; GLint i; - ASSERT(ctx->Visual.rgbMode); - - ASSERT(ctx->Color.ColorMask[0] && - ctx->Color.ColorMask[1] && - ctx->Color.ColorMask[2] && - ctx->Color.ColorMask[3]); + ASSERT(ctx->Color.ColorMask[buf][0] && + ctx->Color.ColorMask[buf][1] && + ctx->Color.ColorMask[buf][2] && + ctx->Color.ColorMask[buf][3]); ASSERT(rb->PutMonoRow); @@ -194,50 +154,6 @@ clear_rgba_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) } -/** - * Clear color index buffer without masking. - */ -static void -clear_ci_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) -{ - const GLint x = ctx->DrawBuffer->_Xmin; - const GLint y = ctx->DrawBuffer->_Ymin; - const GLint height = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin; - const GLint width = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin; - GLubyte clear8; - GLushort clear16; - GLuint clear32; - GLvoid *clearVal; - GLint i; - - ASSERT(!ctx->Visual.rgbMode); - - ASSERT(rb->PutMonoRow); - - /* setup clear value */ - switch (rb->DataType) { - case GL_UNSIGNED_BYTE: - clear8 = (GLubyte) ctx->Color.ClearIndex; - clearVal = &clear8; - break; - case GL_UNSIGNED_SHORT: - clear16 = (GLushort) ctx->Color.ClearIndex; - clearVal = &clear16; - break; - case GL_UNSIGNED_INT: - clear32 = ctx->Color.ClearIndex; - clearVal = &clear32; - break; - default: - _mesa_problem(ctx, "Bad rb DataType in clear_color_buffer"); - return; - } - - for (i = 0; i < height; i++) - rb->PutMonoRow(ctx, rb, width, x, y + i, clearVal, NULL); -} - - /** * Clear the front/back/left/right/aux color buffers. * This function is usually only called if the device driver can't @@ -246,48 +162,18 @@ clear_ci_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) static void clear_color_buffers(GLcontext *ctx) { - GLboolean masking; GLuint buf; - if (ctx->Visual.rgbMode) { - if (ctx->Color.ColorMask[0] && - ctx->Color.ColorMask[1] && - ctx->Color.ColorMask[2] && - ctx->Color.ColorMask[3]) { - masking = GL_FALSE; - } - else { - masking = GL_TRUE; - } - } - else { - struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0]; - const GLuint indexMask = (1 << _mesa_get_format_bits(rb->Format, GL_INDEX_BITS)) - 1; - if ((ctx->Color.IndexMask & indexMask) == indexMask) { - masking = GL_FALSE; - } - else { - masking = GL_TRUE; - } - } - for (buf = 0; buf < ctx->DrawBuffer->_NumColorDrawBuffers; buf++) { struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[buf]; - if (ctx->Visual.rgbMode) { - if (masking) { - clear_rgba_buffer_with_masking(ctx, rb); - } - else { - clear_rgba_buffer(ctx, rb); - } + if (ctx->Color.ColorMask[buf][0] == 0 || + ctx->Color.ColorMask[buf][1] == 0 || + ctx->Color.ColorMask[buf][2] == 0 || + ctx->Color.ColorMask[buf][3] == 0) { + clear_rgba_buffer_with_masking(ctx, rb, buf); } else { - if (masking) { - clear_ci_buffer_with_masking(ctx, rb); - } - else { - clear_ci_buffer(ctx, rb); - } + clear_rgba_buffer(ctx, rb, buf); } } } @@ -318,6 +204,9 @@ _swrast_Clear(GLcontext *ctx, GLbitfield buffers) } #endif + if (!_mesa_check_conditional_render(ctx)) + return; /* don't clear */ + swrast_render_start(ctx); /* do software clearing here */ -- cgit v1.2.3