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path: root/src/mesa/state_tracker/st_cb_accum.c
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Diffstat (limited to 'src/mesa/state_tracker/st_cb_accum.c')
-rw-r--r--src/mesa/state_tracker/st_cb_accum.c271
1 files changed, 115 insertions, 156 deletions
diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
index 3f9a825a15..95181578f6 100644
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ b/src/mesa/state_tracker/st_cb_accum.c
@@ -40,16 +40,14 @@
#include "st_draw.h"
#include "st_public.h"
#include "st_format.h"
+#include "st_texture.h"
+#include "st_inlines.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
#include "util/u_tile.h"
-#define UNCLAMPED_FLOAT_TO_SHORT(us, f) \
- us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) )
-
-
/**
* For hardware that supports deep color buffers, we could accelerate
* most/all the accum operations with blending/texturing.
@@ -57,73 +55,20 @@
*/
-/**
- * Wrapper for pipe_get_tile_rgba(). Do format/cpp override to make the
- * tile util function think the surface is 16bit/channel, even if it's not.
- * See also: st_renderbuffer_alloc_storage()
- */
-static void
-acc_get_tile_rgba(struct pipe_context *pipe, struct pipe_transfer *acc_pt,
- uint x, uint y, uint w, uint h, float *p)
-{
- const enum pipe_format f = acc_pt->format;
- const struct pipe_format_block b = acc_pt->block;
-
- acc_pt->format = DEFAULT_ACCUM_PIPE_FORMAT;
- acc_pt->block.size = 8;
- acc_pt->block.width = 1;
- acc_pt->block.height = 1;
-
- pipe_get_tile_rgba(acc_pt, x, y, w, h, p);
-
- acc_pt->format = f;
- acc_pt->block = b;
-}
-
-
-/**
- * Wrapper for pipe_put_tile_rgba(). Do format/cpp override to make the
- * tile util function think the surface is 16bit/channel, even if it's not.
- * See also: st_renderbuffer_alloc_storage()
- */
-static void
-acc_put_tile_rgba(struct pipe_context *pipe, struct pipe_transfer *acc_pt,
- uint x, uint y, uint w, uint h, const float *p)
-{
- enum pipe_format f = acc_pt->format;
- const struct pipe_format_block b = acc_pt->block;
-
- acc_pt->format = DEFAULT_ACCUM_PIPE_FORMAT;
- acc_pt->block.size = 8;
- acc_pt->block.width = 1;
- acc_pt->block.height = 1;
-
- pipe_put_tile_rgba(acc_pt, x, y, w, h, p);
-
- acc_pt->format = f;
- acc_pt->block = b;
-}
-
-
-
void
st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
struct st_renderbuffer *acc_strb = st_renderbuffer(rb);
- struct pipe_transfer *acc_pt;
- struct pipe_screen *screen = ctx->st->pipe->screen;
const GLint xpos = ctx->DrawBuffer->_Xmin;
const GLint ypos = ctx->DrawBuffer->_Ymin;
const GLint width = ctx->DrawBuffer->_Xmax - xpos;
const GLint height = ctx->DrawBuffer->_Ymax - ypos;
- GLubyte *map;
+ size_t stride = acc_strb->stride;
+ GLubyte *data = acc_strb->data;
- acc_pt = screen->get_tex_transfer(screen, acc_strb->texture, 0, 0, 0,
- PIPE_TRANSFER_WRITE, xpos, ypos,
- width, height);
- map = screen->transfer_map(screen, acc_pt);
-
- /* note acc_strb->format might not equal acc_pt->format */
+ if(!data)
+ return;
+
switch (acc_strb->format) {
case PIPE_FORMAT_R16G16B16A16_SNORM:
{
@@ -133,7 +78,7 @@ st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
GLshort a = FLOAT_TO_SHORT(ctx->Accum.ClearColor[3]);
int i, j;
for (i = 0; i < height; i++) {
- GLshort *dst = (GLshort *) (map + i * acc_pt->stride + xpos * 8);
+ GLshort *dst = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
for (j = 0; j < width; j++) {
dst[0] = r;
dst[1] = g;
@@ -147,9 +92,6 @@ st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
default:
_mesa_problem(ctx, "unexpected format in st_clear_accum_buffer()");
}
-
- screen->transfer_unmap(screen, acc_pt);
- screen->tex_transfer_destroy(acc_pt);
}
@@ -159,25 +101,18 @@ accum_mad(GLcontext *ctx, GLfloat scale, GLfloat bias,
GLint xpos, GLint ypos, GLint width, GLint height,
struct st_renderbuffer *acc_strb)
{
- struct pipe_screen *screen = ctx->st->pipe->screen;
- struct pipe_transfer *acc_pt;
- GLubyte *map;
+ size_t stride = acc_strb->stride;
+ GLubyte *data = acc_strb->data;
- acc_pt = screen->get_tex_transfer(screen, acc_strb->texture, 0, 0, 0,
- PIPE_TRANSFER_READ_WRITE, xpos, ypos,
- width, height);
- map = screen->transfer_map(screen, acc_pt);
-
- /* note acc_strb->format might not equal acc_pt->format */
switch (acc_strb->format) {
case PIPE_FORMAT_R16G16B16A16_SNORM:
{
int i, j;
for (i = 0; i < height; i++) {
- GLshort *acc = (GLshort *) (map + (ypos + i) * acc_pt->stride + xpos * 8);
+ GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
for (j = 0; j < width * 4; j++) {
- float val = SHORT_TO_FLOAT(acc[j]) * scale + bias;
- acc[j] = FLOAT_TO_SHORT(val);
+ float val = SHORT_TO_FLOAT(*acc) * scale + bias;
+ *acc++ = FLOAT_TO_SHORT(val);
}
}
}
@@ -185,86 +120,95 @@ accum_mad(GLcontext *ctx, GLfloat scale, GLfloat bias,
default:
_mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
}
-
- screen->transfer_unmap(screen, acc_pt);
- screen->tex_transfer_destroy(acc_pt);
}
static void
-accum_accum(struct pipe_context *pipe, GLfloat value,
+accum_accum(struct st_context *st, GLfloat value,
GLint xpos, GLint ypos, GLint width, GLint height,
struct st_renderbuffer *acc_strb,
struct st_renderbuffer *color_strb)
{
+ struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
- struct pipe_transfer *acc_trans, *color_trans;
- GLfloat *colorBuf, *accBuf;
- GLint i;
-
- acc_trans = screen->get_tex_transfer(screen, acc_strb->texture, 0, 0, 0,
- PIPE_TRANSFER_READ, xpos, ypos,
- width, height);
+ struct pipe_transfer *color_trans;
+ size_t stride = acc_strb->stride;
+ GLubyte *data = acc_strb->data;
+ GLfloat *buf;
- color_trans = screen->get_tex_transfer(screen, color_strb->texture, 0, 0, 0,
- PIPE_TRANSFER_READ, xpos, ypos,
- width, height);
+ color_trans = st_cond_flush_get_tex_transfer(st, color_strb->texture,
+ 0, 0, 0,
+ PIPE_TRANSFER_READ, xpos, ypos,
+ width, height);
- colorBuf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
- accBuf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
+ buf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
- pipe_get_tile_rgba(color_trans, 0, 0, width, height, colorBuf);
- acc_get_tile_rgba(pipe, acc_trans, 0, 0, width, height, accBuf);
+ pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
- for (i = 0; i < 4 * width * height; i++) {
- accBuf[i] = accBuf[i] + colorBuf[i] * value;
+ switch (acc_strb->format) {
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ {
+ const GLfloat *color = buf;
+ int i, j;
+ for (i = 0; i < height; i++) {
+ GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
+ for (j = 0; j < width * 4; j++) {
+ float val = *color++ * value;
+ *acc++ += FLOAT_TO_SHORT(val);
+ }
+ }
+ }
+ break;
+ default:
+ _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
}
- screen->tex_transfer_destroy(acc_trans);
- acc_trans = screen->get_tex_transfer(screen, acc_strb->texture, 0, 0, 0,
- PIPE_TRANSFER_WRITE, xpos, ypos,
- width, height);
-
- acc_put_tile_rgba(pipe, acc_trans, 0, 0, width, height, accBuf);
-
- _mesa_free(colorBuf);
- _mesa_free(accBuf);
- screen->tex_transfer_destroy(acc_trans);
+ _mesa_free(buf);
screen->tex_transfer_destroy(color_trans);
}
static void
-accum_load(struct pipe_context *pipe, GLfloat value,
+accum_load(struct st_context *st, GLfloat value,
GLint xpos, GLint ypos, GLint width, GLint height,
struct st_renderbuffer *acc_strb,
struct st_renderbuffer *color_strb)
{
+ struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
- struct pipe_transfer *acc_trans, *color_trans;
+ struct pipe_transfer *color_trans;
+ size_t stride = acc_strb->stride;
+ GLubyte *data = acc_strb->data;
GLfloat *buf;
- GLint i;
- acc_trans = screen->get_tex_transfer(screen, acc_strb->texture, 0, 0, 0,
- PIPE_TRANSFER_WRITE, xpos, ypos,
- width, height);
-
- color_trans = screen->get_tex_transfer(screen, color_strb->texture, 0, 0, 0,
- PIPE_TRANSFER_READ, xpos, ypos,
- width, height);
+ color_trans = st_cond_flush_get_tex_transfer(st, color_strb->texture,
+ 0, 0, 0,
+ PIPE_TRANSFER_READ, xpos, ypos,
+ width, height);
buf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
- for (i = 0; i < 4 * width * height; i++) {
- buf[i] = buf[i] * value;
+ switch (acc_strb->format) {
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ {
+ const GLfloat *color = buf;
+ int i, j;
+ for (i = 0; i < height; i++) {
+ GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
+ for (j = 0; j < width * 4; j++) {
+ float val = *color++ * value;
+ *acc++ = FLOAT_TO_SHORT(val);
+ }
+ }
+ }
+ break;
+ default:
+ _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
}
- acc_put_tile_rgba(pipe, acc_trans, 0, 0, width, height, buf);
-
_mesa_free(buf);
- screen->tex_transfer_destroy(acc_trans);
screen->tex_transfer_destroy(color_trans);
}
@@ -278,45 +222,58 @@ accum_return(GLcontext *ctx, GLfloat value,
struct pipe_context *pipe = ctx->st->pipe;
struct pipe_screen *screen = pipe->screen;
const GLubyte *colormask = ctx->Color.ColorMask;
- struct pipe_transfer *acc_trans, *color_trans;
- GLfloat *abuf, *cbuf = NULL;
- GLint i, ch;
-
- abuf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
-
- acc_trans = screen->get_tex_transfer(screen, acc_strb->texture, 0, 0, 0,
- PIPE_TRANSFER_READ, xpos, ypos,
- width, height);
+ enum pipe_transfer_usage usage;
+ struct pipe_transfer *color_trans;
+ size_t stride = acc_strb->stride;
+ const GLubyte *data = acc_strb->data;
+ GLfloat *buf;
- color_trans = screen->get_tex_transfer(screen, color_strb->texture, 0, 0, 0,
- PIPE_TRANSFER_READ_WRITE, xpos, ypos,
- width, height);
+ buf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
- acc_get_tile_rgba(pipe, acc_trans, 0, 0, width, height, abuf);
+ if (!colormask[0] || !colormask[1] || !colormask[2] || !colormask[3])
+ usage = PIPE_TRANSFER_READ_WRITE;
+ else
+ usage = PIPE_TRANSFER_WRITE;
+
+ color_trans = st_cond_flush_get_tex_transfer(st_context(ctx),
+ color_strb->texture, 0, 0, 0,
+ usage,
+ xpos, ypos,
+ width, height);
- if (!colormask[0] || !colormask[1] || !colormask[2] || !colormask[3]) {
- cbuf = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
- pipe_get_tile_rgba(color_trans, 0, 0, width, height, cbuf);
- }
+ if (usage != PIPE_TRANSFER_WRITE)
+ pipe_get_tile_rgba(color_trans, 0, 0, width, height, buf);
- for (i = 0; i < width * height; i++) {
- for (ch = 0; ch < 4; ch++) {
- if (colormask[ch]) {
- GLfloat val = abuf[i * 4 + ch] * value;
- abuf[i * 4 + ch] = CLAMP(val, 0.0f, 1.0f);
- }
- else {
- abuf[i * 4 + ch] = cbuf[i * 4 + ch];
+ switch (acc_strb->format) {
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ {
+ GLfloat *color = buf;
+ int i, j, ch;
+ for (i = 0; i < height; i++) {
+ const GLshort *acc = (const GLshort *) (data + (ypos + i) * stride + xpos * 8);
+ for (j = 0; j < width; j++) {
+ for (ch = 0; ch < 4; ch++) {
+ if (colormask[ch]) {
+ GLfloat val = SHORT_TO_FLOAT(*acc * value);
+ *color = CLAMP(val, 0.0f, 1.0f);
+ }
+ else {
+ /* No change */
+ }
+ ++acc;
+ ++color;
+ }
+ }
}
}
+ break;
+ default:
+ _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
}
- pipe_put_tile_rgba(color_trans, 0, 0, width, height, abuf);
+ pipe_put_tile_rgba(color_trans, 0, 0, width, height, buf);
- _mesa_free(abuf);
- if (cbuf)
- _mesa_free(cbuf);
- screen->tex_transfer_destroy(acc_trans);
+ _mesa_free(buf);
screen->tex_transfer_destroy(color_trans);
}
@@ -325,7 +282,6 @@ static void
st_Accum(GLcontext *ctx, GLenum op, GLfloat value)
{
struct st_context *st = ctx->st;
- struct pipe_context *pipe = st->pipe;
struct st_renderbuffer *acc_strb
= st_renderbuffer(ctx->DrawBuffer->Attachment[BUFFER_ACCUM].Renderbuffer);
struct st_renderbuffer *color_strb
@@ -336,6 +292,9 @@ st_Accum(GLcontext *ctx, GLenum op, GLfloat value)
const GLint width = ctx->DrawBuffer->_Xmax - xpos;
const GLint height = ctx->DrawBuffer->_Ymax - ypos;
+ if(!acc_strb->data)
+ return;
+
/* make sure color bufs aren't cached */
st_flush( st, PIPE_FLUSH_RENDER_CACHE, NULL );
@@ -352,11 +311,11 @@ st_Accum(GLcontext *ctx, GLenum op, GLfloat value)
break;
case GL_ACCUM:
if (value != 0.0F) {
- accum_accum(pipe, value, xpos, ypos, width, height, acc_strb, color_strb);
+ accum_accum(st, value, xpos, ypos, width, height, acc_strb, color_strb);
}
break;
case GL_LOAD:
- accum_load(pipe, value, xpos, ypos, width, height, acc_strb, color_strb);
+ accum_load(st, value, xpos, ypos, width, height, acc_strb, color_strb);
break;
case GL_RETURN:
accum_return(ctx, value, xpos, ypos, width, height, acc_strb, color_strb);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 01:26:08 +0000