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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_context.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_context.c440
1 files changed, 440 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
new file mode 100644
index 00000000000..4943d549973
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -0,0 +1,440 @@
+/*
+Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
+
+The Weather Channel (TM) funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86 license.
+This notice must be preserved.
+
+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>
+ * Nicolai Haehnle <prefect_@gmx.net>
+ */
+#include "glheader.h"
+#include "api_arrayelt.h"
+#include "context.h"
+#include "simple_list.h"
+#include "imports.h"
+#include "matrix.h"
+#include "extensions.h"
+#include "state.h"
+#include "bufferobj.h"
+
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "array_cache/acache.h"
+
+#include "tnl/tnl.h"
+#include "tnl/t_pipeline.h"
+
+#include "drivers/common/driverfuncs.h"
+
+#include "radeon_ioctl.h"
+#include "radeon_span.h"
+#include "r300_context.h"
+#include "r300_cmdbuf.h"
+#include "r300_state.h"
+#include "r300_ioctl.h"
+#include "r300_tex.h"
+#include "r300_maos.h"
+
+#ifdef USER_BUFFERS
+#include "radeon_mm.h"
+#endif
+
+#include "vblank.h"
+#include "utils.h"
+#include "xmlpool.h" /* for symbolic values of enum-type options */
+
+/* hw_tcl_on derives from future_hw_tcl_on when its safe to change it. */
+int future_hw_tcl_on=1;
+int hw_tcl_on=1;
+
+#define need_GL_ARB_multisample
+#define need_GL_ARB_texture_compression
+#define need_GL_ARB_vertex_buffer_object
+#define need_GL_ARB_vertex_program
+#define need_GL_EXT_blend_minmax
+//#define need_GL_EXT_fog_coord
+#define need_GL_EXT_secondary_color
+#define need_GL_EXT_blend_equation_separate
+#define need_GL_EXT_blend_func_separate
+#define need_GL_NV_vertex_program
+#include "extension_helper.h"
+
+const struct dri_extension card_extensions[] = {
+ {"GL_ARB_multisample", GL_ARB_multisample_functions},
+ {"GL_ARB_multitexture", NULL},
+ {"GL_ARB_texture_border_clamp", NULL},
+ {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions},
+ {"GL_ARB_texture_cube_map", NULL},
+ {"GL_ARB_texture_env_add", NULL},
+ {"GL_ARB_texture_env_combine", NULL},
+ {"GL_ARB_texture_env_crossbar", NULL},
+ {"GL_ARB_texture_env_dot3", NULL},
+ {"GL_ARB_texture_mirrored_repeat", NULL},
+ {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions},
+ {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions},
+ {"GL_ARB_fragment_program", NULL},
+ {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions},
+ {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions},
+ {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions},
+ {"GL_EXT_blend_subtract", NULL},
+// {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions },
+ {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions},
+ {"GL_EXT_stencil_wrap", NULL},
+ {"GL_EXT_texture_edge_clamp", NULL},
+ {"GL_EXT_texture_env_combine", NULL},
+ {"GL_EXT_texture_env_dot3", NULL},
+ {"GL_EXT_texture_filter_anisotropic", NULL},
+ {"GL_EXT_texture_lod_bias", NULL},
+ {"GL_EXT_texture_mirror_clamp", NULL},
+ {"GL_EXT_texture_rectangle", NULL},
+ {"GL_ATI_texture_env_combine3", NULL},
+ {"GL_ATI_texture_mirror_once", NULL},
+ {"GL_MESA_pack_invert", NULL},
+ {"GL_MESA_ycbcr_texture", NULL},
+ {"GL_MESAX_texture_float", NULL},
+ {"GL_NV_blend_square", NULL},
+ {"GL_NV_vertex_program", GL_NV_vertex_program_functions},
+ {"GL_SGIS_generate_mipmap", NULL},
+ {NULL, NULL}
+};
+
+extern struct tnl_pipeline_stage _r300_render_stage;
+extern const struct tnl_pipeline_stage _r300_tcl_stage;
+extern const struct tnl_pipeline_stage _r300_texrect_stage;
+
+static const struct tnl_pipeline_stage *r300_pipeline[] = {
+
+ /* Try and go straight to t&l
+ */
+ &_r300_tcl_stage,
+
+ /* Catch any t&l fallbacks
+ */
+ &_tnl_vertex_transform_stage,
+ &_tnl_normal_transform_stage,
+ &_tnl_lighting_stage,
+ &_tnl_fog_coordinate_stage,
+ &_tnl_texgen_stage,
+ &_tnl_texture_transform_stage,
+ &_tnl_arb_vertex_program_stage,
+ &_tnl_vertex_program_stage,
+
+ /* Try again to go to tcl?
+ * - no good for asymmetric-twoside (do with multipass)
+ * - no good for asymmetric-unfilled (do with multipass)
+ * - good for material
+ * - good for texgen
+ * - need to manipulate a bit of state
+ *
+ * - worth it/not worth it?
+ */
+
+ /* Else do them here.
+ */
+ /* scale texture rectangle to 0..1. */
+ &_r300_texrect_stage,
+ &_r300_render_stage,
+ &_tnl_render_stage, /* FALLBACK */
+ 0,
+};
+
+
+/* Create the device specific rendering context.
+ */
+GLboolean r300CreateContext(const __GLcontextModes * glVisual,
+ __DRIcontextPrivate * driContextPriv,
+ void *sharedContextPrivate)
+{
+ __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
+ radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
+ struct dd_function_table functions;
+ r300ContextPtr r300;
+ GLcontext *ctx;
+ int tcl_mode, i;
+
+ assert(glVisual);
+ assert(driContextPriv);
+ assert(screen);
+
+ /* Allocate the R300 context */
+ r300 = (r300ContextPtr)CALLOC(sizeof(*r300));
+ if (!r300)
+ return GL_FALSE;
+
+ /* Parse configuration files.
+ * Do this here so that initialMaxAnisotropy is set before we create
+ * the default textures.
+ */
+ driParseConfigFiles(&r300->radeon.optionCache, &screen->optionCache,
+ screen->driScreen->myNum, "r300");
+
+ //r300->texmicrotile = GL_TRUE;
+
+ /* Init default driver functions then plug in our R300-specific functions
+ * (the texture functions are especially important)
+ */
+ _mesa_init_driver_functions(&functions);
+ r300InitIoctlFuncs(&functions);
+ r300InitStateFuncs(&functions);
+ r300InitTextureFuncs(&functions);
+ r300InitShaderFuncs(&functions);
+
+#ifdef USER_BUFFERS
+ radeon_mm_init(r300);
+#endif
+#ifdef HW_VBOS
+ if (hw_tcl_on) {
+ r300_init_vbo_funcs(&functions);
+ }
+#endif
+ if (!radeonInitContext(&r300->radeon, &functions,
+ glVisual, driContextPriv, sharedContextPrivate)) {
+ FREE(r300);
+ return GL_FALSE;
+ }
+
+ /* Init r300 context data */
+ r300->dma.buf0_address = r300->radeon.radeonScreen->buffers->list[0].address;
+
+ (void)memset(r300->texture_heaps, 0, sizeof(r300->texture_heaps));
+ make_empty_list(&r300->swapped);
+
+ r300->nr_heaps = 1 /* screen->numTexHeaps */ ;
+ assert(r300->nr_heaps < RADEON_NR_TEX_HEAPS);
+ for (i = 0; i < r300->nr_heaps; i++) {
+ r300->texture_heaps[i] = driCreateTextureHeap(i, r300,
+ screen->
+ texSize[i], 12,
+ RADEON_NR_TEX_REGIONS,
+ (drmTextureRegionPtr)
+ r300->radeon.sarea->
+ tex_list[i],
+ &r300->radeon.sarea->
+ tex_age[i],
+ &r300->swapped,
+ sizeof
+ (r300TexObj),
+ (destroy_texture_object_t
+ *)
+ r300DestroyTexObj);
+ }
+ r300->texture_depth = driQueryOptioni(&r300->radeon.optionCache,
+ "texture_depth");
+ if (r300->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB)
+ r300->texture_depth = (screen->cpp == 4) ?
+ DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16;
+
+ /* Set the maximum texture size small enough that we can guarentee that
+ * all texture units can bind a maximal texture and have them both in
+ * texturable memory at once.
+ */
+
+ ctx = r300->radeon.glCtx;
+
+ ctx->Const.MaxTextureImageUnits = driQueryOptioni(&r300->radeon.optionCache,
+ "texture_image_units");
+ ctx->Const.MaxTextureCoordUnits = driQueryOptioni(&r300->radeon.optionCache,
+ "texture_coord_units");
+ ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureImageUnits,
+ ctx->Const.MaxTextureCoordUnits);
+ ctx->Const.MaxTextureMaxAnisotropy = 16.0;
+
+ ctx->Const.MinPointSize = 1.0;
+ ctx->Const.MinPointSizeAA = 1.0;
+ ctx->Const.MaxPointSize = R300_POINTSIZE_MAX;
+ ctx->Const.MaxPointSizeAA = R300_POINTSIZE_MAX;
+
+ ctx->Const.MinLineWidth = 1.0;
+ ctx->Const.MinLineWidthAA = 1.0;
+ ctx->Const.MaxLineWidth = R300_LINESIZE_MAX;
+ ctx->Const.MaxLineWidthAA = R300_LINESIZE_MAX;
+
+ if (hw_tcl_on)
+ ctx->_MaintainTnlProgram = GL_TRUE;
+
+#ifdef USER_BUFFERS
+ /* Needs further modifications */
+#if 0
+ ctx->Const.MaxArrayLockSize = (/*512*/RADEON_BUFFER_SIZE*16*1024) / (4*4);
+#endif
+#endif
+
+ /* Initialize the software rasterizer and helper modules.
+ */
+ _swrast_CreateContext(ctx);
+ _ac_CreateContext(ctx);
+ _tnl_CreateContext(ctx);
+ _swsetup_CreateContext(ctx);
+ _swsetup_Wakeup(ctx);
+ _ae_create_context(ctx);
+
+ /* Install the customized pipeline:
+ */
+ _tnl_destroy_pipeline(ctx);
+ _tnl_install_pipeline(ctx, r300_pipeline);
+
+ /* Try and keep materials and vertices separate:
+ */
+ _tnl_isolate_materials(ctx, GL_TRUE);
+
+ /* Configure swrast and TNL to match hardware characteristics:
+ */
+ _swrast_allow_pixel_fog(ctx, GL_FALSE);
+ _swrast_allow_vertex_fog(ctx, GL_TRUE);
+ _tnl_allow_pixel_fog(ctx, GL_FALSE);
+ _tnl_allow_vertex_fog(ctx, GL_TRUE);
+
+ /* currently bogus data */
+ ctx->Const.VertexProgram.MaxNativeInstructions=VSF_MAX_FRAGMENT_LENGTH;
+ ctx->Const.VertexProgram.MaxNativeAttribs=16; /* r420 */
+ ctx->Const.VertexProgram.MaxTemps=32;
+ ctx->Const.VertexProgram.MaxNativeTemps=/*VSF_MAX_FRAGMENT_TEMPS*/32;
+ ctx->Const.VertexProgram.MaxNativeParameters=256; /* r420 */
+ ctx->Const.VertexProgram.MaxNativeAddressRegs=1;
+
+ ctx->Const.FragmentProgram.MaxNativeTemps = PFS_NUM_TEMP_REGS;
+ ctx->Const.FragmentProgram.MaxNativeAttribs = 11; /* copy i915... */
+ ctx->Const.FragmentProgram.MaxNativeParameters = PFS_NUM_CONST_REGS;
+ ctx->Const.FragmentProgram.MaxNativeAluInstructions = PFS_MAX_ALU_INST;
+ ctx->Const.FragmentProgram.MaxNativeTexInstructions = PFS_MAX_TEX_INST;
+ ctx->Const.FragmentProgram.MaxNativeInstructions = PFS_MAX_ALU_INST+PFS_MAX_TEX_INST;
+ ctx->Const.FragmentProgram.MaxNativeTexIndirections = PFS_MAX_TEX_INDIRECT;
+ ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0; /* and these are?? */
+ ctx->_MaintainTexEnvProgram = GL_TRUE;
+
+ driInitExtensions(ctx, card_extensions, GL_TRUE);
+
+ if (r300->radeon.glCtx->Mesa_DXTn) {
+ _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
+ _mesa_enable_extension( ctx, "GL_S3_s3tc" );
+ }
+ else if (driQueryOptionb (&r300->radeon.optionCache, "force_s3tc_enable")) {
+ _mesa_enable_extension( ctx, "GL_EXT_texture_compression_s3tc" );
+ }
+
+ radeonInitSpanFuncs(ctx);
+ r300InitCmdBuf(r300);
+ r300InitState(r300);
+
+#ifdef RADEON_VTXFMT_A
+ radeon_init_vtxfmt_a(r300);
+#endif
+
+#if 0
+ /* plug in a few more device driver functions */
+ /* XXX these should really go right after _mesa_init_driver_functions() */
+ r300InitPixelFuncs(ctx);
+ r300InitSwtcl(ctx);
+#endif
+ TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
+
+ tcl_mode = driQueryOptioni(&r300->radeon.optionCache, "tcl_mode");
+ if (driQueryOptionb(&r300->radeon.optionCache, "no_rast")) {
+ fprintf(stderr, "disabling 3D acceleration\n");
+#if R200_MERGED
+ FALLBACK(&r300->radeon, RADEON_FALLBACK_DISABLE, 1);
+#endif
+ }
+ if (tcl_mode == DRI_CONF_TCL_SW ||
+ !(r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) {
+ if (r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) {
+ r300->radeon.radeonScreen->chip_flags &= ~RADEON_CHIPSET_TCL;
+ fprintf(stderr, "Disabling HW TCL support\n");
+ }
+ TCL_FALLBACK(r300->radeon.glCtx, RADEON_TCL_FALLBACK_TCL_DISABLE, 1);
+ }
+
+ return GL_TRUE;
+}
+
+/* Destroy the device specific context.
+ */
+void r300DestroyContext(__DRIcontextPrivate * driContextPriv)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ r300ContextPtr r300 = (r300ContextPtr) driContextPriv->driverPrivate;
+ radeonContextPtr radeon = (radeonContextPtr) r300;
+ radeonContextPtr current = ctx ? RADEON_CONTEXT(ctx) : NULL;
+
+ if (RADEON_DEBUG & DEBUG_DRI) {
+ fprintf(stderr, "Destroying context !\n");
+ }
+
+ /* check if we're deleting the currently bound context */
+ if (&r300->radeon == current) {
+ radeonFlush(r300->radeon.glCtx);
+ _mesa_make_current(NULL, NULL, NULL);
+ }
+
+ /* Free r300 context resources */
+ assert(r300); /* should never be null */
+
+ if (r300) {
+ GLboolean release_texture_heaps;
+
+ release_texture_heaps = (r300->radeon.glCtx->Shared->RefCount == 1);
+ _swsetup_DestroyContext(r300->radeon.glCtx);
+ _tnl_DestroyContext(r300->radeon.glCtx);
+ _ac_DestroyContext(r300->radeon.glCtx);
+ _swrast_DestroyContext(r300->radeon.glCtx);
+
+ r300ReleaseArrays(r300->radeon.glCtx);
+ if (r300->dma.current.buf) {
+ r300ReleaseDmaRegion(r300, &r300->dma.current, __FUNCTION__ );
+ r300FlushCmdBuf(r300, __FUNCTION__ );
+ }
+
+ r300DestroyCmdBuf(r300);
+
+ if (radeon->state.scissor.pClipRects) {
+ FREE(radeon->state.scissor.pClipRects);
+ radeon->state.scissor.pClipRects = NULL;
+ }
+
+ if (release_texture_heaps) {
+ /* This share group is about to go away, free our private
+ * texture object data.
+ */
+ int i;
+
+ for (i = 0; i < r300->nr_heaps; i++) {
+ driDestroyTextureHeap(r300->texture_heaps[i]);
+ r300->texture_heaps[i] = NULL;
+ }
+
+ assert(is_empty_list(&r300->swapped));
+ }
+
+ radeonCleanupContext(&r300->radeon);
+
+ /* free the option cache */
+ driDestroyOptionCache(&r300->radeon.optionCache);
+
+ FREE(r300);
+ }
+}
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