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authorBrian <brian@i915.localnet.net>2007-07-30 13:11:52 -0600
committerBrian <brian@i915.localnet.net>2007-07-30 13:11:52 -0600
commit3a35ce336458352653329426c550bfce1ffc3f66 (patch)
treed57001db819b2abb97c5088bccef00784b94df76 /src/mesa
parentf1569bf0d5fcfd4430e13d6d1bd9c60fb44e9535 (diff)
implement surfaces for softpipe rendering
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i915tex/Makefile1
-rw-r--r--src/mesa/drivers/dri/i915tex/intel_fbo.h18
-rw-r--r--src/mesa/drivers/dri/i915tex/intel_surface.c163
3 files changed, 182 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915tex/Makefile b/src/mesa/drivers/dri/i915tex/Makefile
index b218929dce..827acc0c46 100644
--- a/src/mesa/drivers/dri/i915tex/Makefile
+++ b/src/mesa/drivers/dri/i915tex/Makefile
@@ -48,6 +48,7 @@ DRIVER_SOURCES = \
intel_screen.c \
intel_span.c \
intel_state.c \
+ intel_surface.c \
intel_tris.c \
intel_fbo.c \
intel_depthstencil.c \
diff --git a/src/mesa/drivers/dri/i915tex/intel_fbo.h b/src/mesa/drivers/dri/i915tex/intel_fbo.h
index 963f5e706f..1642ce774f 100644
--- a/src/mesa/drivers/dri/i915tex/intel_fbo.h
+++ b/src/mesa/drivers/dri/i915tex/intel_fbo.h
@@ -29,9 +29,25 @@
#define INTEL_FBO_H
+#include "pipe/p_state.h"
+#include "pipe/softpipe/sp_surface.h"
+
+
struct intel_context;
struct intel_region;
+
+/**
+ * Intel "pipe" surface. This is kind of a temporary thing as
+ * renderbuffers and surfaces should eventually become one.
+ */
+struct intel_surface
+{
+ struct softpipe_surface surface; /**< base class */
+ struct intel_renderbuffer *rb; /**< ptr back to matching renderbuffer */
+};
+
+
/**
* Intel framebuffer, derived from gl_framebuffer.
*/
@@ -82,6 +98,8 @@ struct intel_renderbuffer
GLuint pf_pending; /**< sequence number of pending flip */
GLuint vbl_pending; /**< vblank sequence number of pending flip */
+
+ struct intel_surface *surface;
};
diff --git a/src/mesa/drivers/dri/i915tex/intel_surface.c b/src/mesa/drivers/dri/i915tex/intel_surface.c
new file mode 100644
index 0000000000..29b640e58e
--- /dev/null
+++ b/src/mesa/drivers/dri/i915tex/intel_surface.c
@@ -0,0 +1,163 @@
+#include "glheader.h"
+#include "context.h"
+#include "framebuffer.h"
+#include "renderbuffer.h"
+#include "utils.h"
+#include "main/macros.h"
+
+
+#include "intel_screen.h"
+
+#include "intel_context.h"
+#include "intel_buffers.h"
+#include "intel_regions.h"
+#include "intel_span.h"
+#include "intel_fbo.h"
+
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include "pipe/softpipe/sp_surface.h"
+
+
+/*
+ * XXX a lof of this is a temporary kludge
+ */
+
+extern void
+intel_map_unmap_buffers(struct intel_context *intel, GLboolean map);
+
+
+
+static void
+read_quad_f_swz(struct softpipe_surface *gs, GLint x, GLint y,
+ GLfloat (*rrrr)[QUAD_SIZE])
+{
+
+
+}
+
+
+static void
+write_quad_f_swz(struct softpipe_surface *sps, GLint x, GLint y,
+ GLfloat (*rrrr)[QUAD_SIZE])
+{
+ struct intel_surface *is = (struct intel_surface *) sps;
+ struct intel_renderbuffer *irb = is->rb;
+ const GLfloat *src = (const GLfloat *) rrrr;
+ GLubyte *dst = (GLubyte *) irb->region->map
+ + (y * irb->region->pitch + x) * irb->region->cpp;
+ GLubyte temp[16];
+ GLuint i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + i], src[i * 4 + j]);
+ }
+ }
+
+ printf("intel_surface::write_quad\n");
+
+ memcpy(dst, temp, 8);
+ memcpy(dst + irb->region->pitch * irb->region->cpp, temp + 8, 8);
+}
+
+
+
+static void *
+map_surface_buffer(struct pipe_buffer *pb, GLuint access_mode)
+{
+ struct intel_surface *is = (struct intel_surface *) pb;
+ struct intel_renderbuffer *irb = is->rb;
+ GET_CURRENT_CONTEXT(ctx);
+ struct intel_context *intel = intel_context(ctx);
+
+ assert(access_mode == PIPE_MAP_READ_WRITE);
+
+ intelFinish(&intel->ctx);
+
+ /*LOCK_HARDWARE(intel);*/
+
+ if (irb->region) {
+ intel_region_map(intel->intelScreen, irb->region);
+ }
+ pb->ptr = irb->region->map;
+
+ return pb->ptr;
+}
+
+
+static void
+unmap_surface_buffer(struct pipe_buffer *pb)
+{
+ struct intel_surface *is = (struct intel_surface *) pb;
+ struct intel_renderbuffer *irb = is->rb;
+ GET_CURRENT_CONTEXT(ctx);
+ struct intel_context *intel = intel_context(ctx);
+
+ if (irb->region) {
+ intel_region_unmap(intel->intelScreen, irb->region);
+ }
+ pb->ptr = NULL;
+
+ /*UNLOCK_HARDWARE(intel);*/
+}
+
+
+struct pipe_surface *
+xmesa_get_color_surface(GLcontext *ctx, GLuint i)
+{
+ struct intel_context *intel = intel_context(ctx);
+ struct intel_framebuffer *intel_fb;
+ struct intel_renderbuffer *intel_rb;
+
+ intel_fb = (struct intel_framebuffer *) ctx->DrawBuffer;
+ intel_rb = intel_fb->color_rb[1];
+
+ if (!intel_rb->surface) {
+ /* create surface and attach to intel_rb */
+ struct intel_surface *is;
+ is = CALLOC_STRUCT(intel_surface);
+ if (is) {
+ is->surface.surface.width = intel_rb->Base.Width;
+ is->surface.surface.height = intel_rb->Base.Height;
+
+ is->surface.read_quad_f_swz = read_quad_f_swz;
+ is->surface.write_quad_f_swz = write_quad_f_swz;
+
+ is->surface.surface.buffer.map = map_surface_buffer;
+ is->surface.surface.buffer.unmap = unmap_surface_buffer;
+
+ is->rb = intel_rb;
+ }
+ intel_rb->surface = is;
+ }
+ else {
+ /* update surface size */
+ struct intel_surface *is = intel_rb->surface;
+ is->surface.surface.width = intel_rb->Base.Width;
+ is->surface.surface.height = intel_rb->Base.Height;
+ /* sanity check */
+ assert(is->surface.surface.buffer.map == map_surface_buffer);
+ }
+
+ return &intel_rb->surface->surface.surface;
+}
+
+
+struct pipe_surface *
+xmesa_get_z_surface(GLcontext *ctx)
+{
+ /* XXX fix */
+ return NULL;
+}
+
+
+struct pipe_surface *
+xmesa_get_stencil_surface(GLcontext *ctx)
+{
+ /* XXX fix */
+ return NULL;
+}
+
+
+