From 3cd06cf8c5ef6a27e36c584e12ba79ed8dacbf28 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 29 Nov 2006 01:16:12 +0000 Subject: Add accelerated CopyPixels for non-overlapping, 1:1 blits. Submitted by Gary Wong --- src/mesa/drivers/dri/i965/brw_metaops.c | 98 +++++++++++++++++++++++++++++---- 1 file changed, 88 insertions(+), 10 deletions(-) (limited to 'src/mesa/drivers/dri/i965/brw_metaops.c') diff --git a/src/mesa/drivers/dri/i965/brw_metaops.c b/src/mesa/drivers/dri/i965/brw_metaops.c index 18ca7b1..ca8e1d3 100644 --- a/src/mesa/drivers/dri/i965/brw_metaops.c +++ b/src/mesa/drivers/dri/i965/brw_metaops.c @@ -27,6 +27,7 @@ /* * Authors: * Keith Whitwell + * frame buffer texture by Gary Wong */ @@ -94,22 +95,26 @@ static void init_attribs( struct brw_context *brw ) DUP(brw, gl_fragment_program_state, FragmentProgram); } -static void install_attribs( struct brw_context *brw ) +static void install_vertex_attribs( struct brw_context *brw ) { - INSTALL(brw, Color, _NEW_COLOR); - INSTALL(brw, Depth, _NEW_DEPTH); - INSTALL(brw, Fog, _NEW_FOG); INSTALL(brw, Hint, _NEW_HINT); INSTALL(brw, Light, _NEW_LIGHT); INSTALL(brw, Line, _NEW_LINE); INSTALL(brw, Point, _NEW_POINT); INSTALL(brw, Polygon, _NEW_POLYGON); - INSTALL(brw, Scissor, _NEW_SCISSOR); - INSTALL(brw, Stencil, _NEW_STENCIL); - INSTALL(brw, Texture, _NEW_TEXTURE); INSTALL(brw, Transform, _NEW_TRANSFORM); INSTALL(brw, Viewport, _NEW_VIEWPORT); INSTALL(brw, VertexProgram, _NEW_PROGRAM); +} + +static void install_fragment_attribs( struct brw_context *brw ) +{ + INSTALL(brw, Color, _NEW_COLOR); + INSTALL(brw, Depth, _NEW_DEPTH); + INSTALL(brw, Fog, _NEW_FOG); + INSTALL(brw, Scissor, _NEW_SCISSOR); + INSTALL(brw, Stencil, _NEW_STENCIL); + INSTALL(brw, Texture, _NEW_TEXTURE); INSTALL(brw, FragmentProgram, _NEW_PROGRAM); } @@ -144,6 +149,15 @@ static const char *fp_prog = "MOV result.color, fragment.color;\n" "END\n"; +static const char *fp_tex_prog = + "!!ARBfp1.0\n" + "TEMP a;\n" + "ADD a, fragment.position, program.local[0];\n" + "MUL a, a, program.local[1];\n" + "TEX result.color, a, texture[0], 2D;\n" + "MOV result.depth.z, fragment.position;\n" + "END\n"; + /* Derived values of importance: * * FragmentProgram->_Current @@ -170,6 +184,9 @@ static void init_metaops_state( struct brw_context *brw ) brw->metaops.fp = (struct gl_fragment_program *) ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 1 ); + brw->metaops.fp_tex = (struct gl_fragment_program *) + ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 1 ); + brw->metaops.vp = (struct gl_vertex_program *) ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 1 ); @@ -177,6 +194,10 @@ static void init_metaops_state( struct brw_context *brw ) fp_prog, strlen(fp_prog), brw->metaops.fp); + _mesa_parse_arb_fragment_program(ctx, GL_FRAGMENT_PROGRAM_ARB, + fp_tex_prog, strlen(fp_tex_prog), + brw->metaops.fp_tex); + _mesa_parse_arb_vertex_program(ctx, GL_VERTEX_PROGRAM_ARB, vp_prog, strlen(vp_prog), brw->metaops.vp); @@ -267,7 +288,56 @@ static void meta_color_mask( struct intel_context *intel, GLboolean state ) static void meta_no_texture( struct intel_context *intel ) { - /* Nothing to do */ + struct brw_context *brw = brw_context(&intel->ctx); + + brw->metaops.attribs.FragmentProgram->_Current = brw->metaops.fp; + + brw->metaops.attribs.Texture->CurrentUnit = 0; + brw->metaops.attribs.Texture->_EnabledUnits = 0; + brw->metaops.attribs.Texture->_EnabledCoordUnits = 0; + brw->metaops.attribs.Texture->Unit[ 0 ].Enabled = 0; + brw->metaops.attribs.Texture->Unit[ 0 ]._ReallyEnabled = 0; + + brw->state.dirty.mesa |= _NEW_TEXTURE | _NEW_PROGRAM; +} + +static void meta_frame_buffer_texture( struct intel_context *intel, + GLint xoff, GLint yoff ) +{ + struct brw_context *brw = brw_context(&intel->ctx); + struct intel_region *region = intel_drawbuf_region( intel ); + + INSTALL(brw, FragmentProgram, _NEW_PROGRAM); + + brw->metaops.attribs.FragmentProgram->_Current = brw->metaops.fp_tex; + /* This is unfortunate, but seems to be necessary, since later on we + will end up calling _mesa_load_state_parameters to lookup the + local params (below), and that will want to look in ctx.FragmentProgram + instead of brw->attribs.FragmentProgram. */ + intel->ctx.FragmentProgram.Current = brw->metaops.fp_tex; + + brw->metaops.fp_tex->Base.LocalParams[ 0 ][ 0 ] = xoff; + brw->metaops.fp_tex->Base.LocalParams[ 0 ][ 1 ] = yoff; + brw->metaops.fp_tex->Base.LocalParams[ 0 ][ 2 ] = 0.0; + brw->metaops.fp_tex->Base.LocalParams[ 0 ][ 3 ] = 0.0; + brw->metaops.fp_tex->Base.LocalParams[ 1 ][ 0 ] = + 1.0 / region->pitch; + brw->metaops.fp_tex->Base.LocalParams[ 1 ][ 1 ] = + -1.0 / region->height; + brw->metaops.fp_tex->Base.LocalParams[ 1 ][ 2 ] = 0.0; + brw->metaops.fp_tex->Base.LocalParams[ 1 ][ 3 ] = 1.0; + + brw->metaops.attribs.Texture->CurrentUnit = 0; + brw->metaops.attribs.Texture->_EnabledUnits = 1; + brw->metaops.attribs.Texture->_EnabledCoordUnits = 1; + brw->metaops.attribs.Texture->Unit[ 0 ].Enabled = TEXTURE_2D_BIT; + brw->metaops.attribs.Texture->Unit[ 0 ]._ReallyEnabled = TEXTURE_2D_BIT; + brw->metaops.attribs.Texture->Unit[ 0 ].Current2D = + intel->frame_buffer_texobj; + brw->metaops.attribs.Texture->Unit[ 0 ]._Current = + intel->frame_buffer_texobj; + + brw->state.dirty.mesa |= _NEW_TEXTURE | _NEW_PROGRAM; } @@ -406,7 +476,8 @@ static void meta_draw_quad(struct intel_context *intel, } -static void install_meta_state( struct intel_context *intel ) +static void install_meta_state( struct intel_context *intel, + GLenum state ) { GLcontext *ctx = &intel->ctx; struct brw_context *brw = brw_context(ctx); @@ -415,10 +486,14 @@ static void install_meta_state( struct intel_context *intel ) init_metaops_state(brw); } - install_attribs(brw); + install_vertex_attribs(brw); + if( state == META_FULL ) + install_fragment_attribs(brw); + meta_no_texture(&brw->intel); meta_flat_shade(&brw->intel); brw->metaops.restore_draw_mask = ctx->DrawBuffer->_ColorDrawBufferMask[0]; + brw->metaops.restore_fp = ctx->FragmentProgram.Current; /* This works without adjusting refcounts. Fix later? */ @@ -437,6 +512,7 @@ static void leave_meta_state( struct intel_context *intel ) restore_attribs(brw); ctx->DrawBuffer->_ColorDrawBufferMask[0] = brw->metaops.restore_draw_mask; + ctx->FragmentProgram.Current = brw->metaops.restore_fp; brw->state.draw_region = brw->metaops.saved_draw_region; brw->state.depth_region = brw->metaops.saved_depth_region; @@ -463,6 +539,7 @@ void brw_init_metaops( struct brw_context *brw ) brw->intel.vtbl.meta_depth_replace = meta_depth_replace; brw->intel.vtbl.meta_color_mask = meta_color_mask; brw->intel.vtbl.meta_no_texture = meta_no_texture; + brw->intel.vtbl.meta_frame_buffer_texture = meta_frame_buffer_texture; brw->intel.vtbl.meta_draw_region = meta_draw_region; brw->intel.vtbl.meta_draw_quad = meta_draw_quad; @@ -479,5 +556,6 @@ void brw_destroy_metaops( struct brw_context *brw ) ctx->Driver.DeleteBuffer( ctx, brw->metaops.vbo ); /* ctx->Driver.DeleteProgram( ctx, brw->metaops.fp ); */ +/* ctx->Driver.DeleteProgram( ctx, brw->metaops.fp_tex ); */ /* ctx->Driver.DeleteProgram( ctx, brw->metaops.vp ); */ } -- cgit v1.1