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Diffstat (limited to 'src/mesa/pipe/i965simple/brw_wm_surface_state.c')
-rw-r--r--src/mesa/pipe/i965simple/brw_wm_surface_state.c294
1 files changed, 294 insertions, 0 deletions
diff --git a/src/mesa/pipe/i965simple/brw_wm_surface_state.c b/src/mesa/pipe/i965simple/brw_wm_surface_state.c
new file mode 100644
index 0000000000..c04fd57494
--- /dev/null
+++ b/src/mesa/pipe/i965simple/brw_wm_surface_state.c
@@ -0,0 +1,294 @@
+/*
+ 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>
+ */
+
+#include "brw_context.h"
+#include "brw_state.h"
+#include "brw_defines.h"
+
+
+#if 0
+static unsigned translate_tex_target( int target )
+{
+ switch (target) {
+ case PIPE_TEXTURE_1D:
+ return BRW_SURFACE_1D;
+
+ case PIPE_TEXTURE_2D:
+ return BRW_SURFACE_2D;
+
+ case PIPE_TEXTURE_3D:
+ return BRW_SURFACE_3D;
+
+ case PIPE_TEXTURE_CUBE:
+ return BRW_SURFACE_CUBE;
+
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+static unsigned translate_tex_format( unsigned mesa_format )
+{
+ switch( mesa_format ) {
+ case PIPE_FORMAT_U_L8:
+ return BRW_SURFACEFORMAT_L8_UNORM;
+
+ case PIPE_FORMAT_U_I8:
+ return BRW_SURFACEFORMAT_I8_UNORM;
+
+ case PIPE_FORMAT_U_A8:
+ return BRW_SURFACEFORMAT_A8_UNORM;
+
+ case PIPE_FORMAT_U_A8_L8:
+ return BRW_SURFACEFORMAT_L8A8_UNORM;
+
+ case PIPE_FORMAT_R8G8B8_UNORM:
+ assert(0); /* not supported for sampling */
+ return BRW_SURFACEFORMAT_R8G8B8_UNORM;
+
+ case PIPE_FORMAT_U_A8_R8_G8_B8:
+ return BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
+
+ case PIPE_FORMAT_RGBA8888_REV:
+ return BRW_SURFACEFORMAT_R8G8B8A8_UNORM;
+
+ case PIPE_FORMAT_U_R5_G6_B5:
+ return BRW_SURFACEFORMAT_B5G6R5_UNORM;
+
+ case PIPE_FORMAT_A1R5G5B5_UNORM:
+ return BRW_SURFACEFORMAT_B5G5R5A1_UNORM;
+
+ case PIPE_FORMAT_A4R4G4B4_UNORM:
+ return BRW_SURFACEFORMAT_B4G4R4A4_UNORM;
+
+ case PIPE_FORMAT_YCBCR_REV:
+ return BRW_SURFACEFORMAT_YCRCB_NORMAL;
+
+ case PIPE_FORMAT_YCBCR:
+ return BRW_SURFACEFORMAT_YCRCB_SWAPUVY;
+
+ case PIPE_FORMAT_RGB_FXT1:
+ case PIPE_FORMAT_RGBA_FXT1:
+ return BRW_SURFACEFORMAT_FXT1;
+
+ case PIPE_FORMAT_Z16_UNORM:
+ return BRW_SURFACEFORMAT_I16_UNORM;
+
+ case PIPE_FORMAT_RGB_DXT1:
+ return BRW_SURFACEFORMAT_DXT1_RGB;
+
+ case PIPE_FORMAT_RGBA_DXT1:
+ return BRW_SURFACEFORMAT_BC1_UNORM;
+
+ case PIPE_FORMAT_RGBA_DXT3:
+ return BRW_SURFACEFORMAT_BC2_UNORM;
+
+ case PIPE_FORMAT_RGBA_DXT5:
+ return BRW_SURFACEFORMAT_BC3_UNORM;
+
+ case PIPE_FORMAT_SRGBA8:
+ return BRW_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB;
+ case PIPE_FORMAT_SRGB_DXT1:
+ return BRW_SURFACEFORMAT_BC1_UNORM_SRGB;
+
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+static
+void brw_update_texture_surface( GLcontext *ctx,
+ unsigned unit )
+{
+ struct brw_context *brw = brw_context(ctx);
+ struct gl_texture_object *tObj = brw->attribs.Texture->Unit[unit]._Current;
+ struct intel_texture_object *intelObj = intel_texture_object(tObj);
+ struct gl_texture_image *firstImage = tObj->Image[0][intelObj->firstLevel];
+ struct brw_surface_state surf;
+
+ memset(&surf, 0, sizeof(surf));
+
+ surf.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW;
+ surf.ss0.surface_type = translate_tex_target(tObj->Target);
+ surf.ss0.surface_format = translate_tex_format(firstImage->TexFormat->MesaFormat);
+
+ /* This is ok for all textures with channel width 8bit or less:
+ */
+/* surf.ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */
+
+ /* Updated in emit_reloc */
+ surf.ss1.base_addr = intelObj->mt->region->buffer->offset;
+
+ surf.ss2.mip_count = intelObj->lastLevel - intelObj->firstLevel;
+ surf.ss2.width = firstImage->Width - 1;
+ surf.ss2.height = firstImage->Height - 1;
+
+ surf.ss3.tile_walk = BRW_TILEWALK_XMAJOR;
+ surf.ss3.tiled_surface = intelObj->mt->region->tiled; /* always zero */
+ surf.ss3.pitch = (intelObj->mt->pitch * intelObj->mt->cpp) - 1;
+ surf.ss3.depth = firstImage->Depth - 1;
+
+ surf.ss4.min_lod = 0;
+
+ if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
+ surf.ss0.cube_pos_x = 1;
+ surf.ss0.cube_pos_y = 1;
+ surf.ss0.cube_pos_z = 1;
+ surf.ss0.cube_neg_x = 1;
+ surf.ss0.cube_neg_y = 1;
+ surf.ss0.cube_neg_z = 1;
+ }
+
+ brw->wm.bind.surf_ss_offset[unit + 1] =
+ brw_cache_data( &brw->cache[BRW_SS_SURFACE], &surf );
+}
+
+
+
+#define OFFSET(TYPE, FIELD) ( (unsigned)&(((TYPE *)0)->FIELD) )
+
+
+static void upload_wm_surfaces(struct brw_context *brw )
+{
+ GLcontext *ctx = &brw->intel.ctx;
+ struct intel_context *intel = &brw->intel;
+ unsigned i;
+
+ {
+ struct brw_surface_state surf;
+ struct intel_region *region = brw->state.draw_region;
+
+ memset(&surf, 0, sizeof(surf));
+
+ if (region != NULL) {
+ if (region->cpp == 4)
+ surf.ss0.surface_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
+ else
+ surf.ss0.surface_format = BRW_SURFACEFORMAT_B5G6R5_UNORM;
+
+ surf.ss0.surface_type = BRW_SURFACE_2D;
+
+ surf.ss2.width = region->pitch - 1; /* XXX: not really! */
+ surf.ss2.height = region->height - 1;
+ surf.ss3.tile_walk = BRW_TILEWALK_XMAJOR;
+ surf.ss3.tiled_surface = region->tiled;
+ surf.ss3.pitch = (region->pitch * region->cpp) - 1;
+ } else {
+ surf.ss0.surface_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
+ surf.ss0.surface_type = BRW_SURFACE_NULL;
+ }
+
+ /* _NEW_COLOR */
+ surf.ss0.color_blend = (!brw->attribs.Color->_LogicOpEnabled &&
+ brw->attribs.Color->BlendEnabled);
+
+
+ surf.ss0.writedisable_red = !brw->attribs.Color->ColorMask[0];
+ surf.ss0.writedisable_green = !brw->attribs.Color->ColorMask[1];
+ surf.ss0.writedisable_blue = !brw->attribs.Color->ColorMask[2];
+ surf.ss0.writedisable_alpha = !brw->attribs.Color->ColorMask[3];
+
+ brw->wm.bind.surf_ss_offset[0] = brw_cache_data( &brw->cache[BRW_SS_SURFACE], &surf );
+
+ brw->wm.nr_surfaces = 1;
+ }
+
+
+ for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
+ struct gl_texture_unit *texUnit = &brw->attribs.Texture->Unit[i];
+
+ /* _NEW_TEXTURE, BRW_NEW_TEXDATA
+ */
+ if (texUnit->_ReallyEnabled &&
+ intel_finalize_mipmap_tree(intel, i)) {
+
+ brw_update_texture_surface(ctx, i);
+
+ brw->wm.nr_surfaces = i+2;
+ }
+ else if( texUnit->_ReallyEnabled &&
+ texUnit->_Current == intel->frame_buffer_texobj )
+ {
+ brw->wm.bind.surf_ss_offset[i+1] = brw->wm.bind.surf_ss_offset[0];
+ brw->wm.nr_surfaces = i+2;
+ }
+ else {
+ brw->wm.bind.surf_ss_offset[i+1] = 0;
+ }
+ }
+
+ brw->wm.bind_ss_offset = brw_cache_data( &brw->cache[BRW_SS_SURF_BIND],
+ &brw->wm.bind );
+}
+
+static void emit_reloc_wm_surfaces(struct brw_context *brw)
+{
+ int unit;
+
+ if (brw->state.draw_region != NULL) {
+ /* Emit framebuffer relocation */
+ dri_emit_reloc(brw_cache_buffer(brw, BRW_SS_SURFACE),
+ DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE,
+ 0,
+ brw->wm.bind.surf_ss_offset[0] +
+ offsetof(struct brw_surface_state, ss1),
+ brw->state.draw_region->buffer);
+ }
+
+ /* Emit relocations for texture buffers */
+ for (unit = 0; unit < BRW_MAX_TEX_UNIT; unit++) {
+ struct gl_texture_unit *texUnit = &brw->attribs.Texture->Unit[unit];
+ struct gl_texture_object *tObj = texUnit->_Current;
+ struct intel_texture_object *intelObj = intel_texture_object(tObj);
+
+ if (texUnit->_ReallyEnabled && intelObj->mt != NULL) {
+ dri_emit_reloc(brw_cache_buffer(brw, BRW_SS_SURFACE),
+ DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ,
+ 0,
+ brw->wm.bind.surf_ss_offset[unit + 1] +
+ offsetof(struct brw_surface_state, ss1),
+ intelObj->mt->region->buffer);
+ }
+ }
+}
+
+const struct brw_tracked_state brw_wm_surfaces = {
+ .dirty = {
+ .mesa = _NEW_COLOR | _NEW_TEXTURE | _NEW_BUFFERS,
+ .brw = BRW_NEW_CONTEXT,
+ .cache = 0
+ },
+ .update = upload_wm_surfaces,
+ .emit_reloc = emit_reloc_wm_surfaces,
+};
+#endif
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