#include "main/image.h"
#include "main/macros.h"
+#include "st_debug.h"
#include "st_context.h"
#include "st_cb_accum.h"
#include "st_cb_fbo.h"
-#include "st_draw.h"
-#include "st_format.h"
+#include "st_public.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/p_tile.h"
-
-
-#define UNCLAMPED_FLOAT_TO_SHORT(us, f) \
- us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) )
+#include "util/u_inlines.h"
+#include "util/u_tile.h"
/**
void
st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
- struct pipe_context *pipe = ctx->st->pipe;
struct st_renderbuffer *acc_strb = st_renderbuffer(rb);
- struct pipe_surface *acc_ps = acc_strb->surface;
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;
- const GLfloat r = ctx->Accum.ClearColor[0];
- const GLfloat g = ctx->Accum.ClearColor[1];
- const GLfloat b = ctx->Accum.ClearColor[2];
- const GLfloat a = ctx->Accum.ClearColor[3];
- GLfloat *accBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- int i;
-
- for (i = 0; i < width * height; i++) {
- accBuf[i*4+0] = r;
- accBuf[i*4+1] = g;
- accBuf[i*4+2] = b;
- accBuf[i*4+3] = a;
+ size_t stride = acc_strb->stride;
+ GLubyte *data = acc_strb->data;
+
+ if(!data)
+ return;
+
+ switch (acc_strb->format) {
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ {
+ GLshort r = FLOAT_TO_SHORT(ctx->Accum.ClearColor[0]);
+ GLshort g = FLOAT_TO_SHORT(ctx->Accum.ClearColor[1]);
+ GLshort b = FLOAT_TO_SHORT(ctx->Accum.ClearColor[2]);
+ GLshort a = FLOAT_TO_SHORT(ctx->Accum.ClearColor[3]);
+ int i, j;
+ for (i = 0; i < height; i++) {
+ GLshort *dst = (GLshort *) (data + (ypos + i) * stride + xpos * 8);
+ for (j = 0; j < width; j++) {
+ dst[0] = r;
+ dst[1] = g;
+ dst[2] = b;
+ dst[3] = a;
+ dst += 4;
+ }
+ }
+ }
+ break;
+ default:
+ _mesa_problem(ctx, "unexpected format in st_clear_accum_buffer()");
}
-
- pipe_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
}
/** For ADD/MULT */
static void
-accum_mad(struct pipe_context *pipe, GLfloat scale, GLfloat bias,
+accum_mad(GLcontext *ctx, GLfloat scale, GLfloat bias,
GLint xpos, GLint ypos, GLint width, GLint height,
- struct pipe_surface *acc_ps)
+ struct st_renderbuffer *acc_strb)
{
- GLfloat *accBuf;
- GLint i;
-
- accBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
-
- pipe_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
-
- for (i = 0; i < 4 * width * height; i++) {
- accBuf[i] = accBuf[i] * scale + bias;
+ size_t stride = acc_strb->stride;
+ GLubyte *data = acc_strb->data;
+
+ switch (acc_strb->format) {
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ {
+ 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 = SHORT_TO_FLOAT(*acc) * scale + bias;
+ *acc++ = FLOAT_TO_SHORT(val);
+ }
+ }
+ }
+ break;
+ default:
+ _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()");
}
-
- pipe_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
-
- free(accBuf);
}
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 pipe_surface *acc_ps,
- struct pipe_surface *color_ps)
+ struct st_renderbuffer *acc_strb,
+ struct st_renderbuffer *color_strb)
{
- GLfloat *colorBuf, *accBuf;
- GLint i;
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_transfer *color_trans;
+ size_t stride = acc_strb->stride;
+ GLubyte *data = acc_strb->data;
+ GLfloat *buf;
- colorBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- accBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback processing\n", __FUNCTION__);
- pipe_get_tile_rgba(pipe, color_ps, xpos, ypos, width, height, colorBuf);
- pipe_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
+ color_trans = st_cond_flush_get_tex_transfer(st, color_strb->texture,
+ 0, 0, 0,
+ PIPE_TRANSFER_READ, xpos, ypos,
+ width, height);
- for (i = 0; i < 4 * width * height; i++) {
- accBuf[i] = accBuf[i] + colorBuf[i] * value;
- }
+ buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- pipe_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
+ pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
+
+ 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()");
+ }
- free(colorBuf);
- free(accBuf);
+ free(buf);
+ pipe->tex_transfer_destroy(pipe, 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 pipe_surface *acc_ps,
- struct pipe_surface *color_ps)
+ struct st_renderbuffer *acc_strb,
+ struct st_renderbuffer *color_strb)
{
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_transfer *color_trans;
+ size_t stride = acc_strb->stride;
+ GLubyte *data = acc_strb->data;
GLfloat *buf;
- GLint i;
- buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- pipe_get_tile_rgba(pipe, color_ps, xpos, ypos, width, height, buf);
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback processing\n", __FUNCTION__);
- for (i = 0; i < 4 * width * height; i++) {
- buf[i] = buf[i] * value;
- }
+ color_trans = st_cond_flush_get_tex_transfer(st, color_strb->texture,
+ 0, 0, 0,
+ PIPE_TRANSFER_READ, xpos, ypos,
+ width, height);
- pipe_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, buf);
+ buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
+
+ pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
+
+ 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()");
+ }
free(buf);
+ pipe->tex_transfer_destroy(pipe, color_trans);
}
static void
accum_return(GLcontext *ctx, GLfloat value,
GLint xpos, GLint ypos, GLint width, GLint height,
- struct pipe_surface *acc_ps,
- struct pipe_surface *color_ps)
+ struct st_renderbuffer *acc_strb,
+ struct st_renderbuffer *color_strb)
{
struct pipe_context *pipe = ctx->st->pipe;
- const GLubyte *colormask = ctx->Color.ColorMask;
- GLfloat *abuf, *cbuf = NULL;
- GLint i, ch;
-
- abuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
+ const GLubyte *colormask = ctx->Color.ColorMask[0];
+ enum pipe_transfer_usage usage;
+ struct pipe_transfer *color_trans;
+ size_t stride = acc_strb->stride;
+ const GLubyte *data = acc_strb->data;
+ GLfloat *buf;
- pipe_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, abuf);
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback processing\n", __FUNCTION__);
- if (!colormask[0] || !colormask[1] || !colormask[2] || !colormask[3]) {
- cbuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- pipe_get_tile_rgba(pipe, color_ps, xpos, ypos, width, height, cbuf);
- }
+ buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- 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, 0.0, 1.0);
- }
- else {
- abuf[i * 4 + ch] = cbuf[i * 4 + ch];
+ 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 (usage & PIPE_TRANSFER_READ)
+ pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
+
+ 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(pipe, color_ps, xpos, ypos, width, height, abuf);
+ pipe_put_tile_rgba(pipe, color_trans, 0, 0, width, height, buf);
- free(abuf);
- if (cbuf)
- free(cbuf);
+ free(buf);
+ pipe->tex_transfer_destroy(pipe, color_trans);
}
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
= st_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer);
- struct pipe_surface *acc_ps = acc_strb->surface;
- struct pipe_surface *color_ps = color_strb->surface;
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;
+ if(!acc_strb->data)
+ return;
+
/* make sure color bufs aren't cached */
- pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+ st_flush( st, PIPE_FLUSH_RENDER_CACHE, NULL );
switch (op) {
case GL_ADD:
if (value != 0.0F) {
- accum_mad(pipe, 1.0, value, xpos, ypos, width, height, acc_ps);
+ accum_mad(ctx, 1.0, value, xpos, ypos, width, height, acc_strb);
}
break;
case GL_MULT:
if (value != 1.0F) {
- accum_mad(pipe, value, 0.0, xpos, ypos, width, height, acc_ps);
+ accum_mad(ctx, value, 0.0, xpos, ypos, width, height, acc_strb);
}
break;
case GL_ACCUM:
if (value != 0.0F) {
- accum_accum(pipe, value, xpos, ypos, width, height, acc_ps, color_ps);
+ 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_ps, color_ps);
+ 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_ps, color_ps);
+ accum_return(ctx, value, xpos, ypos, width, height, acc_strb, color_strb);
break;
default:
assert(0);
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