diff options
Diffstat (limited to 'i965/brw_metaops.c')
| -rw-r--r-- | i965/brw_metaops.c | 564 |
1 files changed, 564 insertions, 0 deletions
diff --git a/i965/brw_metaops.c b/i965/brw_metaops.c new file mode 100644 index 0000000..6e030f1 --- /dev/null +++ b/i965/brw_metaops.c @@ -0,0 +1,564 @@ +/* + Copyright (C) Intel Corp. 2006. All Rights Reserved. + Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + develop this 3D driver. + + 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, sublicense, 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 NONINFRINGEMENT. + IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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: + * Keith Whitwell <keith@tungstengraphics.com> + * frame buffer texture by Gary Wong <gtw@gnu.org> + */ + + + +#include "glheader.h" +#include "context.h" +#include "macros.h" + +#include "shader/arbprogparse.h" + +#include "intel_screen.h" +#include "intel_batchbuffer.h" +#include "intel_regions.h" + +#include "brw_context.h" +#include "brw_defines.h" +#include "brw_draw.h" +#include "brw_fallback.h" + +#define INIT(brw, STRUCT, ATTRIB) \ +do { \ + brw->attribs.ATTRIB = &ctx->ATTRIB; \ +} while (0) + +#define DUP(brw, STRUCT, ATTRIB) \ +do { \ + brw->metaops.attribs.ATTRIB = MALLOC_STRUCT(STRUCT); \ + memcpy(brw->metaops.attribs.ATTRIB, \ + brw->attribs.ATTRIB, \ + sizeof(struct STRUCT)); \ +} while (0) + + +#define INSTALL(brw, ATTRIB, STATE) \ +do { \ + brw->attribs.ATTRIB = brw->metaops.attribs.ATTRIB; \ + brw->state.dirty.mesa |= STATE; \ +} while (0) + +#define RESTORE(brw, ATTRIB, STATE) \ +do { \ + brw->attribs.ATTRIB = &brw->intel.ctx.ATTRIB; \ + brw->state.dirty.mesa |= STATE; \ +} while (0) + +static void init_attribs( struct brw_context *brw ) +{ + DUP(brw, gl_colorbuffer_attrib, Color); + DUP(brw, gl_depthbuffer_attrib, Depth); + DUP(brw, gl_fog_attrib, Fog); + DUP(brw, gl_hint_attrib, Hint); + DUP(brw, gl_light_attrib, Light); + DUP(brw, gl_line_attrib, Line); + DUP(brw, gl_point_attrib, Point); + DUP(brw, gl_polygon_attrib, Polygon); + DUP(brw, gl_scissor_attrib, Scissor); + DUP(brw, gl_stencil_attrib, Stencil); + DUP(brw, gl_texture_attrib, Texture); + DUP(brw, gl_transform_attrib, Transform); + DUP(brw, gl_viewport_attrib, Viewport); + DUP(brw, gl_vertex_program_state, VertexProgram); + DUP(brw, gl_fragment_program_state, FragmentProgram); +} + +static void install_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); + INSTALL(brw, FragmentProgram, _NEW_PROGRAM); +} + +static void restore_attribs( struct brw_context *brw ) +{ + RESTORE(brw, Color, _NEW_COLOR); + RESTORE(brw, Depth, _NEW_DEPTH); + RESTORE(brw, Fog, _NEW_FOG); + RESTORE(brw, Hint, _NEW_HINT); + RESTORE(brw, Light, _NEW_LIGHT); + RESTORE(brw, Line, _NEW_LINE); + RESTORE(brw, Point, _NEW_POINT); + RESTORE(brw, Polygon, _NEW_POLYGON); + RESTORE(brw, Scissor, _NEW_SCISSOR); + RESTORE(brw, Stencil, _NEW_STENCIL); + RESTORE(brw, Texture, _NEW_TEXTURE); + RESTORE(brw, Transform, _NEW_TRANSFORM); + RESTORE(brw, Viewport, _NEW_VIEWPORT); + RESTORE(brw, VertexProgram, _NEW_PROGRAM); + RESTORE(brw, FragmentProgram, _NEW_PROGRAM); +} + + +static const char *vp_prog = + "!!ARBvp1.0\n" + "MOV result.color, vertex.color;\n" + "MOV result.position, vertex.position;\n" + "END\n"; + +static const char *fp_prog = + "!!ARBfp1.0\n" + "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 + * VertexProgram->_Enabled + * brw->vertex_program + * DrawBuffer->_ColorDrawBufferMask[0] + * + * + * More if drawpixels-through-texture is added. + */ +static void init_metaops_state( struct brw_context *brw ) +{ + GLcontext *ctx = &brw->intel.ctx; + + brw->metaops.vbo = ctx->Driver.NewBufferObject(ctx, 1, GL_ARRAY_BUFFER_ARB); + + ctx->Driver.BufferData(ctx, + GL_ARRAY_BUFFER_ARB, + 4096, + NULL, + GL_DYNAMIC_DRAW_ARB, + brw->metaops.vbo); + + 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 ); + + _mesa_parse_arb_fragment_program(ctx, GL_FRAGMENT_PROGRAM_ARB, + 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); + + brw->metaops.attribs.VertexProgram->Current = brw->metaops.vp; + brw->metaops.attribs.VertexProgram->_Enabled = GL_TRUE; + + brw->metaops.attribs.FragmentProgram->_Current = brw->metaops.fp; +} + +static void meta_flat_shade( struct intel_context *intel ) +{ + struct brw_context *brw = brw_context(&intel->ctx); + + brw->metaops.attribs.Light->ShadeModel = GL_FLAT; + brw->state.dirty.mesa |= _NEW_LIGHT; +} + + +static void meta_no_stencil_write( struct intel_context *intel ) +{ + struct brw_context *brw = brw_context(&intel->ctx); + + brw->metaops.attribs.Stencil->Enabled = GL_FALSE; + brw->metaops.attribs.Stencil->WriteMask[0] = GL_FALSE; + brw->state.dirty.mesa |= _NEW_STENCIL; +} + +static void meta_no_depth_write( struct intel_context *intel ) +{ + struct brw_context *brw = brw_context(&intel->ctx); + + brw->metaops.attribs.Depth->Test = GL_FALSE; + brw->metaops.attribs.Depth->Mask = GL_FALSE; + brw->state.dirty.mesa |= _NEW_DEPTH; +} + + +static void meta_depth_replace( struct intel_context *intel ) +{ + struct brw_context *brw = brw_context(&intel->ctx); + + /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_TRUE ) + * ctx->Driver.DepthMask( ctx, GL_TRUE ) + */ + brw->metaops.attribs.Depth->Test = GL_TRUE; + brw->metaops.attribs.Depth->Mask = GL_TRUE; + brw->state.dirty.mesa |= _NEW_DEPTH; + + /* ctx->Driver.DepthFunc( ctx, GL_ALWAYS ) + */ + brw->metaops.attribs.Depth->Func = GL_ALWAYS; + + brw->state.dirty.mesa |= _NEW_DEPTH; +} + + +static void meta_stencil_replace( struct intel_context *intel, + GLuint s_mask, + GLuint s_clear) +{ + struct brw_context *brw = brw_context(&intel->ctx); + + brw->metaops.attribs.Stencil->Enabled = GL_TRUE; + brw->metaops.attribs.Stencil->WriteMask[0] = s_mask; + brw->metaops.attribs.Stencil->ValueMask[0] = 0xff; + brw->metaops.attribs.Stencil->Ref[0] = s_clear; + brw->metaops.attribs.Stencil->Function[0] = GL_ALWAYS; + brw->metaops.attribs.Stencil->FailFunc[0] = GL_REPLACE; + brw->metaops.attribs.Stencil->ZPassFunc[0] = GL_REPLACE; + brw->metaops.attribs.Stencil->ZFailFunc[0] = GL_REPLACE; + brw->state.dirty.mesa |= _NEW_STENCIL; +} + + +static void meta_color_mask( struct intel_context *intel, GLboolean state ) +{ + struct brw_context *brw = brw_context(&intel->ctx); + + if (state) + COPY_4V(brw->metaops.attribs.Color->ColorMask, + brw->intel.ctx.Color.ColorMask); + else + ASSIGN_4V(brw->metaops.attribs.Color->ColorMask, 0, 0, 0, 0); + + brw->state.dirty.mesa |= _NEW_COLOR; +} + +static void meta_no_texture( struct intel_context *intel ) +{ + 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_texture_blend_replace(struct intel_context *intel) +{ + struct brw_context *brw = brw_context(&intel->ctx); + + 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; +} + +static void meta_import_pixel_state(struct intel_context *intel) +{ + struct brw_context *brw = brw_context(&intel->ctx); + + RESTORE(brw, Color, _NEW_COLOR); + RESTORE(brw, Depth, _NEW_DEPTH); + RESTORE(brw, Fog, _NEW_FOG); + RESTORE(brw, Scissor, _NEW_SCISSOR); + RESTORE(brw, Stencil, _NEW_STENCIL); + RESTORE(brw, Texture, _NEW_TEXTURE); + RESTORE(brw, FragmentProgram, _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->state.dirty.mesa |= _NEW_PROGRAM; +} + + +static void meta_draw_region( struct intel_context *intel, + struct intel_region *draw_region, + struct intel_region *depth_region ) +{ + struct brw_context *brw = brw_context(&intel->ctx); + + if (!brw->metaops.saved_draw_region) { + brw->metaops.saved_draw_region = brw->state.draw_region; + brw->metaops.saved_depth_region = brw->state.depth_region; + } + + brw->state.draw_region = draw_region; + brw->state.depth_region = depth_region; + + brw->state.dirty.mesa |= _NEW_BUFFERS; +} + + +static void meta_draw_quad(struct intel_context *intel, + GLfloat x0, GLfloat x1, + GLfloat y0, GLfloat y1, + GLfloat z, + GLubyte red, GLubyte green, + GLubyte blue, GLubyte alpha, + GLfloat s0, GLfloat s1, + GLfloat t0, GLfloat t1) +{ + GLcontext *ctx = &intel->ctx; + struct brw_context *brw = brw_context(&intel->ctx); + struct gl_client_array pos_array; + struct gl_client_array color_array; + struct gl_client_array *attribs[VERT_ATTRIB_MAX]; + struct _mesa_prim prim[1]; + GLfloat pos[4][3]; + GLubyte color[4]; + + ctx->Driver.BufferData(ctx, + GL_ARRAY_BUFFER_ARB, + sizeof(pos) + sizeof(color), + NULL, + GL_DYNAMIC_DRAW_ARB, + brw->metaops.vbo); + + pos[0][0] = x0; + pos[0][1] = y0; + pos[0][2] = z; + + pos[1][0] = x1; + pos[1][1] = y0; + pos[1][2] = z; + + pos[2][0] = x1; + pos[2][1] = y1; + pos[2][2] = z; + + pos[3][0] = x0; + pos[3][1] = y1; + pos[3][2] = z; + + + ctx->Driver.BufferSubData(ctx, + GL_ARRAY_BUFFER_ARB, + 0, + sizeof(pos), + pos, + brw->metaops.vbo); + + color[0] = red; + color[1] = green; + color[2] = blue; + color[3] = alpha; + + ctx->Driver.BufferSubData(ctx, + GL_ARRAY_BUFFER_ARB, + sizeof(pos), + sizeof(color), + color, + brw->metaops.vbo); + + /* Ignoring texture coords. + */ + + memset(attribs, 0, VERT_ATTRIB_MAX * sizeof(*attribs)); + + attribs[VERT_ATTRIB_POS] = &pos_array; + attribs[VERT_ATTRIB_POS]->Ptr = 0; + attribs[VERT_ATTRIB_POS]->Type = GL_FLOAT; + attribs[VERT_ATTRIB_POS]->Enabled = 1; + attribs[VERT_ATTRIB_POS]->Size = 3; + attribs[VERT_ATTRIB_POS]->StrideB = 3 * sizeof(GLfloat); + attribs[VERT_ATTRIB_POS]->Stride = 3 * sizeof(GLfloat); + attribs[VERT_ATTRIB_POS]->_MaxElement = 4; + attribs[VERT_ATTRIB_POS]->Normalized = 0; + attribs[VERT_ATTRIB_POS]->BufferObj = brw->metaops.vbo; + + attribs[VERT_ATTRIB_COLOR0] = &color_array; + attribs[VERT_ATTRIB_COLOR0]->Ptr = (const GLubyte *)sizeof(pos); + attribs[VERT_ATTRIB_COLOR0]->Type = GL_UNSIGNED_BYTE; + attribs[VERT_ATTRIB_COLOR0]->Enabled = 1; + attribs[VERT_ATTRIB_COLOR0]->Size = 4; + attribs[VERT_ATTRIB_COLOR0]->StrideB = 0; + attribs[VERT_ATTRIB_COLOR0]->Stride = 0; + attribs[VERT_ATTRIB_COLOR0]->_MaxElement = 1; + attribs[VERT_ATTRIB_COLOR0]->Normalized = 1; + attribs[VERT_ATTRIB_COLOR0]->BufferObj = brw->metaops.vbo; + + /* Just ignoring texture coordinates for now. + */ + + memset(prim, 0, sizeof(*prim)); + + prim[0].mode = GL_TRIANGLE_FAN; + prim[0].begin = 1; + prim[0].end = 1; + prim[0].weak = 0; + prim[0].pad = 0; + prim[0].start = 0; + prim[0].count = 4; + + brw_draw_prims(&brw->intel.ctx, + (const struct gl_client_array **)attribs, + prim, 1, + NULL, + 0, + 3 ); +} + + +static void install_meta_state( struct intel_context *intel ) +{ + GLcontext *ctx = &intel->ctx; + struct brw_context *brw = brw_context(ctx); + + if (!brw->metaops.vbo) { + init_metaops_state(brw); + } + + install_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? + */ + brw->metaops.saved_draw_region = brw->state.draw_region; + brw->metaops.saved_depth_region = brw->state.depth_region; + brw->metaops.active = 1; + + brw->state.dirty.brw |= BRW_NEW_METAOPS; +} + +static void leave_meta_state( struct intel_context *intel ) +{ + GLcontext *ctx = &intel->ctx; + struct brw_context *brw = brw_context(ctx); + + 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; + brw->metaops.saved_draw_region = NULL; + brw->metaops.saved_depth_region = NULL; + brw->metaops.active = 0; + + brw->state.dirty.mesa |= _NEW_BUFFERS; + brw->state.dirty.brw |= BRW_NEW_METAOPS; +} + + + +void brw_init_metaops( struct brw_context *brw ) +{ + init_attribs(brw); + + + brw->intel.vtbl.install_meta_state = install_meta_state; + brw->intel.vtbl.leave_meta_state = leave_meta_state; + brw->intel.vtbl.meta_no_depth_write = meta_no_depth_write; + brw->intel.vtbl.meta_no_stencil_write = meta_no_stencil_write; + brw->intel.vtbl.meta_stencil_replace = meta_stencil_replace; + 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_import_pixel_state = meta_import_pixel_state; + 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; + brw->intel.vtbl.meta_texture_blend_replace = meta_texture_blend_replace; +/* brw->intel.vtbl.meta_tex_rect_source = meta_tex_rect_source; */ +/* brw->intel.vtbl.meta_draw_format = set_draw_format; */ +} + +void brw_destroy_metaops( struct brw_context *brw ) +{ + GLcontext *ctx = &brw->intel.ctx; + + if (brw->metaops.vbo) + 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 ); */ +} |