r300: prepare for texcopy code sharing

[mesa.git] / src / mesa / drivers / dri / r300 / r300_context.c

diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 2ea1b826de972f6ce3ebe56f2ff70371c2a112d8..e449590fbb832d923307ec8e91a17851d6daa5b4 100644 (file)
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -55,13 +55,14 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "tnl/t_vp_build.h"
 
 #include "drivers/common/driverfuncs.h"
+#include "drivers/common/meta.h"
 
 #include "r300_context.h"
 #include "radeon_context.h"
 #include "radeon_span.h"
+#include "r300_blit.h"
 #include "r300_cmdbuf.h"
 #include "r300_state.h"
-#include "r300_ioctl.h"
 #include "r300_tex.h"
 #include "r300_emit.h"
 #include "r300_swtcl.h"
@@ -84,15 +85,17 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define need_GL_EXT_framebuffer_object
 #define need_GL_EXT_fog_coord
 #define need_GL_EXT_gpu_program_parameters
+#define need_GL_EXT_provoking_vertex
 #define need_GL_EXT_secondary_color
 #define need_GL_EXT_stencil_two_side
 #define need_GL_ATI_separate_stencil
 #define need_GL_NV_vertex_program
 
-#include "extension_helper.h"
+#include "main/remap_helper.h"
 
+void r300_init_texcopy_functions(struct dd_function_table *table);
 
-const struct dri_extension card_extensions[] = {
+static const struct dri_extension card_extensions[] = {
   /* *INDENT-OFF* */
   {"GL_ARB_depth_texture",             NULL},
   {"GL_ARB_fragment_program",          NULL},
@@ -116,6 +119,7 @@ const struct dri_extension card_extensions[] = {
   {"GL_EXT_packed_depth_stencil",      NULL},
   {"GL_EXT_fog_coord",                 GL_EXT_fog_coord_functions },
   {"GL_EXT_gpu_program_parameters",     GL_EXT_gpu_program_parameters_functions},
+  {"GL_EXT_provoking_vertex",           GL_EXT_provoking_vertex_functions },
   {"GL_EXT_secondary_color",           GL_EXT_secondary_color_functions},
   {"GL_EXT_shadow_funcs",              NULL},
   {"GL_EXT_stencil_two_side",          GL_EXT_stencil_two_side_functions},
@@ -143,7 +147,7 @@ const struct dri_extension card_extensions[] = {
 };
 
 
-const struct dri_extension mm_extensions[] = {
+static const struct dri_extension mm_extensions[] = {
   { "GL_EXT_framebuffer_blit", GL_EXT_framebuffer_blit_functions },
   { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
   { NULL, NULL }
@@ -153,7 +157,7 @@ const struct dri_extension mm_extensions[] = {
  * The GL 2.0 functions are needed to make display lists work with
  * functions added by GL_ATI_separate_stencil.
  */
-const struct dri_extension gl_20_extension[] = {
+static const struct dri_extension gl_20_extension[] = {
   {"GL_VERSION_2_0",                   GL_VERSION_2_0_functions },
 };
 
@@ -322,6 +326,8 @@ static void r300_init_vtbl(radeonContextPtr radeon)
                        radeon->vtbl.emit_query_finish = rv530_emit_query_finish_single_z;
        } else
                radeon->vtbl.emit_query_finish = r300_emit_query_finish;
+
+    radeon->vtbl.blit = r300_blit;
 }
 
 static void r300InitConstValues(GLcontext *ctx, radeonScreenPtr screen)
@@ -374,11 +380,21 @@ static void r300InitConstValues(GLcontext *ctx, radeonScreenPtr screen)
        if (screen->chip_family >= CHIP_FAMILY_RV515) {
                ctx->Const.FragmentProgram.MaxNativeTemps = R500_PFS_NUM_TEMP_REGS;
                ctx->Const.FragmentProgram.MaxNativeAttribs = 11;       /* copy i915... */
-               ctx->Const.FragmentProgram.MaxNativeParameters = R500_PFS_NUM_CONST_REGS;
-               ctx->Const.FragmentProgram.MaxNativeAluInstructions = R500_PFS_MAX_INST;
-               ctx->Const.FragmentProgram.MaxNativeTexInstructions = R500_PFS_MAX_INST;
-               ctx->Const.FragmentProgram.MaxNativeInstructions = R500_PFS_MAX_INST;
-               ctx->Const.FragmentProgram.MaxNativeTexIndirections = R500_PFS_MAX_INST;
+
+               /* The hardware limits are higher than this,
+                * but the non-KMS DRM interface artificially limits us
+                * to this many instructions.
+                *
+                * We could of course work around it in the KMS path,
+                * but it would be a mess, so it seems wiser
+                * to leave it as is. Going forward, the Gallium driver
+                * will not be subject to these limitations.
+                */
+               ctx->Const.FragmentProgram.MaxNativeParameters = 255;
+               ctx->Const.FragmentProgram.MaxNativeAluInstructions = 255;
+               ctx->Const.FragmentProgram.MaxNativeTexInstructions = 255;
+               ctx->Const.FragmentProgram.MaxNativeInstructions = 255;
+               ctx->Const.FragmentProgram.MaxNativeTexIndirections = 255;
                ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;
        } else {
                ctx->Const.FragmentProgram.MaxNativeTemps = R300_PFS_NUM_TEMP_REGS;
@@ -427,11 +443,11 @@ static void r300InitGLExtensions(GLcontext *ctx)
        if (r300->options.stencil_two_side_disabled)
                _mesa_disable_extension(ctx, "GL_EXT_stencil_two_side");
 
-       if (r300->options.s3tc_force_enabled) {
+       if (r300->options.s3tc_force_disabled) {
+               _mesa_disable_extension(ctx, "GL_EXT_texture_compression_s3tc");
+       } else if (ctx->Mesa_DXTn || r300->options.s3tc_force_enabled) {
                _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
                _mesa_enable_extension(ctx, "GL_S3_s3tc");
-       } else if (r300->options.s3tc_force_disabled) {
-               _mesa_disable_extension(ctx, "GL_EXT_texture_compression_s3tc");
        }
 
        if (!r300->radeon.radeonScreen->drmSupportsOcclusionQueries) {
@@ -439,13 +455,20 @@ static void r300InitGLExtensions(GLcontext *ctx)
        }
 }
 
+static void r300InitIoctlFuncs(struct dd_function_table *functions)
+{
+       functions->Clear = _mesa_meta_Clear;
+       functions->Finish = radeonFinish;
+       functions->Flush = radeonFlush;
+}
+
 /* Create the device specific rendering context.
  */
 GLboolean r300CreateContext(const __GLcontextModes * glVisual,
-                           __DRIcontextPrivate * driContextPriv,
+                           __DRIcontext * driContextPriv,
                            void *sharedContextPrivate)
 {
-       __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
+       __DRIscreen *sPriv = driContextPriv->driScreenPriv;
        radeonScreenPtr screen = (radeonScreenPtr) (sPriv->private);
        struct dd_function_table functions;
        r300ContextPtr r300;
@@ -472,6 +495,10 @@ GLboolean r300CreateContext(const __GLcontextModes * glVisual,
        radeonInitQueryObjFunctions(&functions);
        radeonInitBufferObjectFuncs(&functions);
 
+       if (r300->radeon.radeonScreen->kernel_mm) {
+               r300_init_texcopy_functions(&functions);
+       }
+
        if (!radeonInitContext(&r300->radeon, &functions,
                               glVisual, driContextPriv,
                               sharedContextPrivate)) {
@@ -518,6 +545,7 @@ GLboolean r300CreateContext(const __GLcontextModes * glVisual,
                r300InitSwtcl(ctx);
        }
 
+       r300_blit_init(r300);
        radeon_fbo_init(&r300->radeon);
        radeonInitSpanFuncs( ctx );
        r300InitCmdBuf(r300);