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Diffstat (limited to 'src/mesa/drivers/dri/i915tex/intel_surface.c')
-rw-r--r--src/mesa/drivers/dri/i915tex/intel_surface.c250
1 files changed, 0 insertions, 250 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_surface.c b/src/mesa/drivers/dri/i915tex/intel_surface.c
deleted file mode 100644
index 3e86835de2..0000000000
--- a/src/mesa/drivers/dri/i915tex/intel_surface.c
+++ /dev/null
@@ -1,250 +0,0 @@
-#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
- */
-
-/**
- * Note: the arithmetic/addressing in these functions is a little
- * tricky since we need to invert the Y axis.
- */
-
-
-static void
-read_quad_f_swz(struct softpipe_surface *sps, GLint x, GLint y,
- GLfloat (*rrrr)[QUAD_SIZE])
-{
- const GLint bytesPerRow = sps->surface.stride * sps->surface.cpp;
- const GLint invY = sps->surface.height - y - 1;
- const GLubyte *src = sps->surface.ptr + invY * bytesPerRow + x * sps->surface.cpp;
- GLfloat *dst = (GLfloat *) rrrr;
- GLubyte temp[16];
- GLuint j;
-
- assert(sps->surface.format == PIPE_FORMAT_U_A8_R8_G8_B8);
-
- memcpy(temp + 8, src, 8);
- memcpy(temp + 0, src + bytesPerRow, 8);
-
- for (j = 0; j < 4; j++) {
- dst[0 * 4 + j] = UBYTE_TO_FLOAT(temp[j * 4 + 2]); /*R*/
- dst[1 * 4 + j] = UBYTE_TO_FLOAT(temp[j * 4 + 1]); /*G*/
- dst[2 * 4 + j] = UBYTE_TO_FLOAT(temp[j * 4 + 0]); /*B*/
- dst[3 * 4 + j] = UBYTE_TO_FLOAT(temp[j * 4 + 3]); /*A*/
- }
-}
-
-
-static void
-write_quad_f_swz(struct softpipe_surface *sps, GLint x, GLint y,
- GLfloat (*rrrr)[QUAD_SIZE])
-{
- const GLfloat *src = (const GLfloat *) rrrr;
- const GLint bytesPerRow = sps->surface.stride * sps->surface.cpp;
- const GLint invY = sps->surface.height - y - 1;
- GLubyte *dst = sps->surface.ptr + invY * bytesPerRow + x * sps->surface.cpp;
- GLubyte temp[16];
- GLuint j;
-
- assert(sps->surface.format == PIPE_FORMAT_U_A8_R8_G8_B8);
-
- for (j = 0; j < 4; j++) {
- UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + 2], src[0 * 4 + j]); /*R*/
- UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + 1], src[1 * 4 + j]); /*G*/
- UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + 0], src[2 * 4 + j]); /*B*/
- UNCLAMPED_FLOAT_TO_UBYTE(temp[j * 4 + 3], src[3 * 4 + j]); /*A*/
- }
-
- memcpy(dst, temp + 8, 8);
- memcpy(dst + bytesPerRow, temp + 0, 8);
-}
-
-
-
-static void
-read_quad_z24(struct softpipe_surface *sps,
- GLint x, GLint y, GLuint zzzz[QUAD_SIZE])
-{
- static const GLuint mask = 0xffffff;
- const GLint invY = sps->surface.height - y - 1;
- const GLuint *src
- = (GLuint *) (sps->surface.ptr
- + (invY * sps->surface.stride + x) * sps->surface.cpp);
-
- assert(sps->surface.format == PIPE_FORMAT_Z24_S8);
-
- /* extract lower three bytes */
- zzzz[0] = src[0] & mask;
- zzzz[1] = src[1] & mask;
- src -= sps->surface.stride;
- zzzz[2] = src[0] & mask;
- zzzz[3] = src[1] & mask;
-}
-
-static void
-write_quad_z24(struct softpipe_surface *sps,
- GLint x, GLint y, const GLuint zzzz[QUAD_SIZE])
-{
- static const GLuint mask = 0xff000000;
- const GLint invY = sps->surface.height - y - 1;
- GLuint *dst
- = (GLuint *) (sps->surface.ptr
- + (invY * sps->surface.stride + x) * sps->surface.cpp);
-
- assert(sps->surface.format == PIPE_FORMAT_Z24_S8);
-
- /* write lower three bytes */
- dst[0] = (dst[0] & mask) | zzzz[0];
- dst[1] = (dst[1] & mask) | zzzz[1];
- dst -= sps->surface.stride;
- dst[0] = (dst[0] & mask) | zzzz[2];
- dst[1] = (dst[1] & mask) | zzzz[3];
-}
-
-
-static void
-read_quad_stencil(struct softpipe_surface *sps,
- GLint x, GLint y, GLubyte ssss[QUAD_SIZE])
-{
- const GLint invY = sps->surface.height - y - 1;
- const GLuint *src = (const GLuint *) (sps->surface.ptr
- + (invY * sps->surface.stride + x) * sps->surface.cpp);
-
- assert(sps->surface.format == PIPE_FORMAT_Z24_S8);
-
- /* extract high byte */
- ssss[0] = src[0] >> 24;
- ssss[1] = src[1] >> 24;
- src -= sps->surface.stride;
- ssss[2] = src[0] >> 24;
- ssss[3] = src[1] >> 24;
-}
-
-static void
-write_quad_stencil(struct softpipe_surface *sps,
- GLint x, GLint y, const GLubyte ssss[QUAD_SIZE])
-{
- static const GLuint mask = 0x00ffffff;
- const GLint invY = sps->surface.height - y - 1;
- GLuint *dst = (GLuint *) (sps->surface.ptr
- + (invY * sps->surface.stride + x) * sps->surface.cpp);
-
- assert(sps->surface.format == PIPE_FORMAT_Z24_S8);
-
- /* write high byte */
- dst[0] = (dst[0] & mask) | (ssss[0] << 24);
- dst[1] = (dst[1] & mask) | (ssss[1] << 24);
- dst -= sps->surface.stride;
- dst[0] = (dst[0] & mask) | (ssss[2] << 24);
- dst[1] = (dst[1] & mask) | (ssss[3] << 24);
-}
-
-
-static void *
-map_surface_buffer(struct pipe_buffer *pb, GLuint access_mode)
-{
- struct softpipe_surface *sps = (struct softpipe_surface *) pb;
- struct intel_renderbuffer *irb = (struct intel_renderbuffer *) sps->surface.rb;
- assert(access_mode == PIPE_MAP_READ_WRITE);
-
- /*LOCK_HARDWARE(intel);*/
-
- if (irb->region) {
- GET_CURRENT_CONTEXT(ctx);
- struct intel_context *intel = intel_context(ctx);
-#if 0
- intelFinish(&intel->ctx); /* XXX need this? */
-#endif
- intel_region_map(intel->intelScreen, irb->region);
- }
- pb->ptr = irb->region->map;
-
- sps->surface.stride = irb->region->pitch;
- sps->surface.cpp = irb->region->cpp;
- sps->surface.ptr = irb->region->map;
-
- return pb->ptr;
-}
-
-
-static void
-unmap_surface_buffer(struct pipe_buffer *pb)
-{
- struct softpipe_surface *sps = (struct softpipe_surface *) pb;
- struct intel_renderbuffer *irb = (struct intel_renderbuffer *) sps->surface.rb;
-
- if (irb->region) {
- GET_CURRENT_CONTEXT(ctx);
- struct intel_context *intel = intel_context(ctx);
- intel_region_unmap(intel->intelScreen, irb->region);
- }
- pb->ptr = NULL;
-
- sps->surface.stride = 0;
- sps->surface.cpp = 0;
- sps->surface.ptr = NULL;
-
- /*UNLOCK_HARDWARE(intel);*/
-}
-
-
-struct pipe_surface *
-intel_new_surface(GLuint intFormat)
-{
- struct softpipe_surface *sps = CALLOC_STRUCT(softpipe_surface);
- if (!sps)
- return NULL;
-
- sps->surface.width = 0; /* set in intel_alloc_renderbuffer_storage() */
- sps->surface.height = 0;
-
- if (intFormat == GL_RGBA8) {
- sps->surface.format = PIPE_FORMAT_U_A8_R8_G8_B8;
- sps->read_quad_f_swz = read_quad_f_swz;
- sps->write_quad_f_swz = write_quad_f_swz;
- }
- else if (intFormat == GL_RGB5) {
- sps->surface.format = PIPE_FORMAT_U_R5_G6_B5;
-
- }
- else if (intFormat == GL_DEPTH_COMPONENT16) {
- sps->surface.format = PIPE_FORMAT_U_Z16;
-
- }
- else if (intFormat == GL_DEPTH24_STENCIL8_EXT) {
- sps->surface.format = PIPE_FORMAT_Z24_S8;
- sps->read_quad_z = read_quad_z24;
- sps->write_quad_z = write_quad_z24;
- sps->read_quad_stencil = read_quad_stencil;
- sps->write_quad_stencil = write_quad_stencil;
- }
- else {
- /* TBD / unknown */
-
- }
-
- sps->surface.buffer.map = map_surface_buffer;
- sps->surface.buffer.unmap = unmap_surface_buffer;
-
- return &sps->surface;
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 17:24:01 +0000