diff options
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_blit.c | 125 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_cb_blit.h | 46 |
2 files changed, 171 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_blit.c b/src/mesa/state_tracker/st_cb_blit.c new file mode 100644 index 0000000000..dfa79c975c --- /dev/null +++ b/src/mesa/state_tracker/st_cb_blit.c @@ -0,0 +1,125 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Brian Paul + */ + +#include "main/imports.h" +#include "main/image.h" +#include "main/macros.h" +#include "main/texformat.h" +#include "shader/program.h" +#include "shader/prog_parameter.h" +#include "shader/prog_print.h" + +#include "st_context.h" +#include "st_program.h" +#include "st_cb_drawpixels.h" +#include "st_cb_blit.h" +#include "st_cb_fbo.h" + +#include "util/u_blit.h" + +#include "cso_cache/cso_context.h" + + +void +st_init_blit(struct st_context *st) +{ + st->blit = util_create_blit(st->pipe); +} + + +void +st_destroy_blit(struct st_context *st) +{ + util_destroy_blit(st->blit); + st->blit = NULL; +} + + +static void +st_BlitFramebuffer(GLcontext *ctx, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ + struct st_context *st = ctx->st; + struct pipe_context *pipe = st->pipe; + + const uint pFilter = ((filter == GL_NEAREST) + ? PIPE_TEX_MIPFILTER_NEAREST + : PIPE_TEX_MIPFILTER_LINEAR); + + if (mask & GL_COLOR_BUFFER_BIT) { + struct st_renderbuffer *srcRb = + st_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer); + struct st_renderbuffer *dstRb = + st_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]); + struct pipe_surface *srcSurf = srcRb->surface; + struct pipe_surface *dstSurf = dstRb->surface; + + srcY0 = srcRb->Base.Height - srcY0; + srcY1 = srcRb->Base.Height - srcY1; + + dstY0 = dstRb->Base.Height - dstY0; + dstY1 = dstRb->Base.Height - dstY1; + + util_blit_pixels(st->blit, + srcSurf, srcX0, srcY0, srcX1, srcY1, + dstSurf, dstX0, dstY0, dstX1, dstY1, + 0.0, pFilter); + + } + +#if 0 + /* XXX is this sufficient? */ + st_invalidate_state(ctx, _NEW_COLOR | _NEW_TEXTURE); +#else + /* need to "unset" cso state because we went behind the back of the cso + * tracker. Without unset, the _set_ calls would be no-ops. + */ + cso_unset_blend(st->cso_context); + cso_unset_depth_stencil_alpha(st->cso_context); + cso_unset_rasterizer(st->cso_context); + cso_set_blend(st->cso_context, &st->state.blend); + cso_set_depth_stencil_alpha(st->cso_context, &st->state.depth_stencil); + cso_set_rasterizer(st->cso_context, &st->state.rasterizer); + pipe->bind_fs_state(pipe, st->fp->driver_shader); + pipe->bind_vs_state(pipe, st->vp->driver_shader); +#endif +} + + + +void +st_init_blit_functions(struct dd_function_table *functions) +{ + functions->BlitFramebuffer = st_BlitFramebuffer; +} diff --git a/src/mesa/state_tracker/st_cb_blit.h b/src/mesa/state_tracker/st_cb_blit.h new file mode 100644 index 0000000000..ed22986b53 --- /dev/null +++ b/src/mesa/state_tracker/st_cb_blit.h @@ -0,0 +1,46 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_BLIT_H +#define ST_CB_BLIT_H + + +#include "st_context.h" + + + +extern void +st_init_blit(struct st_context *st); + +extern void +st_destroy_blit(struct st_context *st); + +extern void +st_init_blit_functions(struct dd_function_table *functions); + + +#endif /* ST_CB_BLIT_H */ |