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gem5 / public / gem5-resources / 8ccd059d5dcaaeffe15cd93c17f1e76e92907662 / . / src / parsec / disk-image / parsec / parsec-benchmark / pkgs / libs / mesa / src / src / mesa / drivers / dri / i810 / i810state.c
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/* $XFree86: xc/lib/GL/mesa/src/drv/i810/i810state.c,v 1.9 2002/10/30 12:51:33 alanh Exp $ */
#include <stdio.h>
#include "glheader.h"
#include "context.h"
#include "macros.h"
#include "dd.h"
#include "colormac.h"
#include "texmem.h"
#include "i810screen.h"
#include "i810_dri.h"
#include "i810context.h"
#include "i810state.h"
#include "i810tex.h"
#include "i810vb.h"
#include "i810tris.h"
#include "i810ioctl.h"
#include "swrast/swrast.h"
#include "tnl/tnl.h"
#include "vbo/vbo.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/t_pipeline.h"
static INLINE GLuint i810PackColor(GLuint format,
GLubyte r, GLubyte g,
GLubyte b, GLubyte a)
{
if (I810_DEBUG&DEBUG_DRI)
fprintf(stderr, "%s\n", __FUNCTION__);
switch (format) {
case DV_PF_555:
return PACK_COLOR_1555( a, r, g, b );
case DV_PF_565:
return PACK_COLOR_565( r, g, b );
default:
fprintf(stderr, "unknown format %d\n", (int)format);
return 0;
}
}
static void i810AlphaFunc(GLcontext *ctx, GLenum func, GLfloat ref)
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
GLuint a = (ZA_UPDATE_ALPHAFUNC|ZA_UPDATE_ALPHAREF);
GLubyte refByte;
CLAMPED_FLOAT_TO_UBYTE(refByte, ref);
switch (ctx->Color.AlphaFunc) {
case GL_NEVER: a |= ZA_ALPHA_NEVER; break;
case GL_LESS: a |= ZA_ALPHA_LESS; break;
case GL_GEQUAL: a |= ZA_ALPHA_GEQUAL; break;
case GL_LEQUAL: a |= ZA_ALPHA_LEQUAL; break;
case GL_GREATER: a |= ZA_ALPHA_GREATER; break;
case GL_NOTEQUAL: a |= ZA_ALPHA_NOTEQUAL; break;
case GL_EQUAL: a |= ZA_ALPHA_EQUAL; break;
case GL_ALWAYS: a |= ZA_ALPHA_ALWAYS; break;
default: return;
}
a |= ((refByte & 0xfc) << ZA_ALPHAREF_SHIFT);
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_ZA] &= ~(ZA_ALPHA_MASK|ZA_ALPHAREF_MASK);
imesa->Setup[I810_CTXREG_ZA] |= a;
}
static void i810BlendEquationSeparate(GLcontext *ctx,
GLenum modeRGB, GLenum modeA)
{
assert( modeRGB == modeA );
/* Can only do GL_ADD equation in hardware */
FALLBACK( I810_CONTEXT(ctx), I810_FALLBACK_BLEND_EQ,
modeRGB != GL_FUNC_ADD);
/* BlendEquation sets ColorLogicOpEnabled in an unexpected
* manner.
*/
FALLBACK( I810_CONTEXT(ctx), I810_FALLBACK_LOGICOP,
(ctx->Color.ColorLogicOpEnabled &&
ctx->Color.LogicOp != GL_COPY));
}
static void i810BlendFuncSeparate( GLcontext *ctx, GLenum sfactorRGB,
GLenum dfactorRGB, GLenum sfactorA,
GLenum dfactorA )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
GLuint a = SDM_UPDATE_SRC_BLEND | SDM_UPDATE_DST_BLEND;
GLboolean fallback = GL_FALSE;
switch (ctx->Color.BlendSrcRGB) {
case GL_ZERO: a |= SDM_SRC_ZERO; break;
case GL_ONE: a |= SDM_SRC_ONE; break;
case GL_SRC_COLOR: a |= SDM_SRC_SRC_COLOR; break;
case GL_ONE_MINUS_SRC_COLOR: a |= SDM_SRC_INV_SRC_COLOR; break;
case GL_SRC_ALPHA: a |= SDM_SRC_SRC_ALPHA; break;
case GL_ONE_MINUS_SRC_ALPHA: a |= SDM_SRC_INV_SRC_ALPHA; break;
case GL_DST_ALPHA: a |= SDM_SRC_ONE; break;
case GL_ONE_MINUS_DST_ALPHA: a |= SDM_SRC_ZERO; break;
case GL_DST_COLOR: a |= SDM_SRC_DST_COLOR; break;
case GL_ONE_MINUS_DST_COLOR: a |= SDM_SRC_INV_DST_COLOR; break;
/* (f, f, f, 1), f = min(As, 1 - Ad) = min(As, 1 - 1) = 0
* So (f, f, f, 1) = (0, 0, 0, 1). Since there is no destination alpha and
* the only supported alpha operation is GL_FUNC_ADD, the result modulating
* the source alpha with the alpha factor is largely irrelevant.
*/
case GL_SRC_ALPHA_SATURATE: a |= SDM_SRC_ZERO; break;
case GL_CONSTANT_COLOR:
case GL_ONE_MINUS_CONSTANT_COLOR:
case GL_CONSTANT_ALPHA:
case GL_ONE_MINUS_CONSTANT_ALPHA:
fallback = GL_TRUE;
break;
default:
return;
}
switch (ctx->Color.BlendDstRGB) {
case GL_ZERO: a |= SDM_DST_ZERO; break;
case GL_ONE: a |= SDM_DST_ONE; break;
case GL_SRC_COLOR: a |= SDM_DST_SRC_COLOR; break;
case GL_ONE_MINUS_SRC_COLOR: a |= SDM_DST_INV_SRC_COLOR; break;
case GL_SRC_ALPHA: a |= SDM_DST_SRC_ALPHA; break;
case GL_ONE_MINUS_SRC_ALPHA: a |= SDM_DST_INV_SRC_ALPHA; break;
case GL_DST_ALPHA: a |= SDM_DST_ONE; break;
case GL_ONE_MINUS_DST_ALPHA: a |= SDM_DST_ZERO; break;
case GL_DST_COLOR: a |= SDM_DST_DST_COLOR; break;
case GL_ONE_MINUS_DST_COLOR: a |= SDM_DST_INV_DST_COLOR; break;
case GL_CONSTANT_COLOR:
case GL_ONE_MINUS_CONSTANT_COLOR:
case GL_CONSTANT_ALPHA:
case GL_ONE_MINUS_CONSTANT_ALPHA:
fallback = GL_TRUE;
break;
default:
return;
}
FALLBACK( imesa, I810_FALLBACK_BLEND_FUNC, fallback);
if (!fallback) {
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_SDM] &= ~(SDM_SRC_MASK|SDM_DST_MASK);
imesa->Setup[I810_CTXREG_SDM] |= a;
}
}
static void i810DepthFunc(GLcontext *ctx, GLenum func)
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
int zmode;
switch(func) {
case GL_NEVER: zmode = LCS_Z_NEVER; break;
case GL_ALWAYS: zmode = LCS_Z_ALWAYS; break;
case GL_LESS: zmode = LCS_Z_LESS; break;
case GL_LEQUAL: zmode = LCS_Z_LEQUAL; break;
case GL_EQUAL: zmode = LCS_Z_EQUAL; break;
case GL_GREATER: zmode = LCS_Z_GREATER; break;
case GL_GEQUAL: zmode = LCS_Z_GEQUAL; break;
case GL_NOTEQUAL: zmode = LCS_Z_NOTEQUAL; break;
default: return;
}
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_LCS] &= ~LCS_Z_MASK;
imesa->Setup[I810_CTXREG_LCS] |= zmode;
}
static void i810DepthMask(GLcontext *ctx, GLboolean flag)
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
if (flag)
imesa->Setup[I810_CTXREG_B2] |= B2_ZB_WRITE_ENABLE;
else
imesa->Setup[I810_CTXREG_B2] &= ~B2_ZB_WRITE_ENABLE;
}
/* =============================================================
* Polygon stipple
*
* The i810 supports a 4x4 stipple natively, GL wants 32x32.
* Fortunately stipple is usually a repeating pattern.
*/
static void i810PolygonStipple( GLcontext *ctx, const GLubyte *mask )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
const GLubyte *m = mask;
GLubyte p[4];
int i,j,k;
int active = (ctx->Polygon.StippleFlag &&
imesa->reduced_primitive == GL_TRIANGLES);
GLuint newMask;
if (active) {
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_ST1] &= ~ST1_ENABLE;
}
p[0] = mask[12] & 0xf; p[0] |= p[0] << 4;
p[1] = mask[8] & 0xf; p[1] |= p[1] << 4;
p[2] = mask[4] & 0xf; p[2] |= p[2] << 4;
p[3] = mask[0] & 0xf; p[3] |= p[3] << 4;
for (k = 0 ; k < 8 ; k++)
for (j = 0 ; j < 4; j++)
for (i = 0 ; i < 4 ; i++)
if (*m++ != p[j]) {
imesa->stipple_in_hw = 0;
return;
}
newMask = ((p[0] & 0xf) << 0) |
((p[1] & 0xf) << 4) |
((p[2] & 0xf) << 8) |
((p[3] & 0xf) << 12);
if (newMask == 0xffff) {
/* this is needed to make conform pass */
imesa->stipple_in_hw = 0;
return;
}
imesa->Setup[I810_CTXREG_ST1] &= ~0xffff;
imesa->Setup[I810_CTXREG_ST1] |= newMask;
imesa->stipple_in_hw = 1;
if (active)
imesa->Setup[I810_CTXREG_ST1] |= ST1_ENABLE;
}
/* =============================================================
* Hardware clipping
*/
static void i810Scissor( GLcontext *ctx, GLint x, GLint y,
GLsizei w, GLsizei h )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
if (ctx->Scissor.Enabled) {
I810_FIREVERTICES(imesa); /* don't pipeline cliprect changes */
imesa->upload_cliprects = GL_TRUE;
}
imesa->scissor_rect.x1 = x;
imesa->scissor_rect.y1 = imesa->driDrawable->h - (y + h);
imesa->scissor_rect.x2 = x + w;
imesa->scissor_rect.y2 = imesa->driDrawable->h - y;
}
static void i810LogicOp( GLcontext *ctx, GLenum opcode )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
FALLBACK( imesa, I810_FALLBACK_LOGICOP,
(ctx->Color.ColorLogicOpEnabled && opcode != GL_COPY) );
}
/* Fallback to swrast for select and feedback.
*/
static void i810RenderMode( GLcontext *ctx, GLenum mode )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
FALLBACK( imesa, I810_FALLBACK_RENDERMODE, (mode != GL_RENDER) );
}
void i810DrawBuffer(GLcontext *ctx, GLenum mode )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
int front = 0;
if (ctx->DrawBuffer->_NumColorDrawBuffers != 1) {
/* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
FALLBACK( imesa, I810_FALLBACK_DRAW_BUFFER, GL_TRUE );
return;
}
switch ( ctx->DrawBuffer->_ColorDrawBufferIndexes[0]) {
case BUFFER_FRONT_LEFT:
front = 1;
break;
case BUFFER_BACK_LEFT:
front = 0;
break;
default:
FALLBACK( imesa, I810_FALLBACK_DRAW_BUFFER, GL_TRUE );
return;
}
if ( imesa->sarea->pf_current_page == 1 )
front ^= 1;
FALLBACK( imesa, I810_FALLBACK_DRAW_BUFFER, GL_FALSE );
I810_FIREVERTICES(imesa);
I810_STATECHANGE(imesa, I810_UPLOAD_BUFFERS);
if (front)
{
imesa->BufferSetup[I810_DESTREG_DI1] = (imesa->i810Screen->fbOffset |
imesa->i810Screen->backPitchBits);
i810XMesaSetFrontClipRects( imesa );
}
else
{
imesa->BufferSetup[I810_DESTREG_DI1] = (imesa->i810Screen->backOffset |
imesa->i810Screen->backPitchBits);
i810XMesaSetBackClipRects( imesa );
}
}
static void i810ReadBuffer(GLcontext *ctx, GLenum mode )
{
/* XXX anything? */
}
static void i810ClearColor(GLcontext *ctx, const GLfloat color[4] )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
GLubyte c[4];
CLAMPED_FLOAT_TO_UBYTE(c[0], color[0]);
CLAMPED_FLOAT_TO_UBYTE(c[1], color[1]);
CLAMPED_FLOAT_TO_UBYTE(c[2], color[2]);
CLAMPED_FLOAT_TO_UBYTE(c[3], color[3]);
imesa->ClearColor = i810PackColor( imesa->i810Screen->fbFormat,
c[0], c[1], c[2], c[3] );
}
/* =============================================================
* Culling - the i810 isn't quite as clean here as the rest of
* its interfaces, but it's not bad.
*/
static void i810CullFaceFrontFace(GLcontext *ctx, GLenum unused)
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
GLuint mode = LCS_CULL_BOTH;
if (ctx->Polygon.CullFaceMode != GL_FRONT_AND_BACK) {
mode = LCS_CULL_CW;
if (ctx->Polygon.CullFaceMode == GL_FRONT)
mode ^= (LCS_CULL_CW ^ LCS_CULL_CCW);
if (ctx->Polygon.FrontFace != GL_CCW)
mode ^= (LCS_CULL_CW ^ LCS_CULL_CCW);
}
imesa->LcsCullMode = mode;
if (ctx->Polygon.CullFlag)
{
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_LCS] &= ~LCS_CULL_MASK;
imesa->Setup[I810_CTXREG_LCS] |= mode;
}
}
static void i810LineWidth( GLcontext *ctx, GLfloat widthf )
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
/* AA, non-AA limits are same */
const int width = (int) CLAMP(ctx->Line.Width,
ctx->Const.MinLineWidth,
ctx->Const.MaxLineWidth);
imesa->LcsLineWidth = 0;
if (width & 1) imesa->LcsLineWidth |= LCS_LINEWIDTH_1_0;
if (width & 2) imesa->LcsLineWidth |= LCS_LINEWIDTH_2_0;
if (imesa->reduced_primitive == GL_LINES) {
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_LCS] &= ~LCS_LINEWIDTH_3_0;
imesa->Setup[I810_CTXREG_LCS] |= imesa->LcsLineWidth;
}
}
static void i810PointSize( GLcontext *ctx, GLfloat sz )
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
/* AA, non-AA limits are same */
const int size = (int) CLAMP(ctx->Point.Size,
ctx->Const.MinPointSize,
ctx->Const.MaxPointSize);
imesa->LcsPointSize = 0;
if (size & 1) imesa->LcsPointSize |= LCS_LINEWIDTH_1_0;
if (size & 2) imesa->LcsPointSize |= LCS_LINEWIDTH_2_0;
if (imesa->reduced_primitive == GL_POINTS) {
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_LCS] &= ~LCS_LINEWIDTH_3_0;
imesa->Setup[I810_CTXREG_LCS] |= imesa->LcsPointSize;
}
}
/* =============================================================
* Color masks
*/
static void i810ColorMask(GLcontext *ctx,
GLboolean r, GLboolean g,
GLboolean b, GLboolean a )
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
GLuint tmp = 0;
if (r && g && b) {
tmp = imesa->Setup[I810_CTXREG_B2] | B2_FB_WRITE_ENABLE;
FALLBACK( imesa, I810_FALLBACK_COLORMASK, GL_FALSE );
} else if (!r && !g && !b) {
tmp = imesa->Setup[I810_CTXREG_B2] & ~B2_FB_WRITE_ENABLE;
FALLBACK( imesa, I810_FALLBACK_COLORMASK, GL_FALSE );
} else {
FALLBACK( imesa, I810_FALLBACK_COLORMASK, GL_TRUE );
return;
}
if (tmp != imesa->Setup[I810_CTXREG_B2]) {
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_B2] = tmp;
imesa->dirty |= I810_UPLOAD_CTX;
}
}
/* Seperate specular not fully implemented on the i810.
*/
static void i810LightModelfv(GLcontext *ctx, GLenum pname,
const GLfloat *param)
{
if (pname == GL_LIGHT_MODEL_COLOR_CONTROL)
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
FALLBACK( imesa, I810_FALLBACK_SPECULAR,
(ctx->Light.Enabled &&
ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR));
}
}
/* But the 815 has it...
*/
static void i810LightModelfv_i815(GLcontext *ctx, GLenum pname,
const GLfloat *param)
{
if (pname == GL_LIGHT_MODEL_COLOR_CONTROL)
{
i810ContextPtr imesa = I810_CONTEXT( ctx );
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
imesa->Setup[I810_CTXREG_B1] |= B1_SPEC_ENABLE;
else
imesa->Setup[I810_CTXREG_B1] &= ~B1_SPEC_ENABLE;
}
}
/* In Mesa 3.5 we can reliably do native flatshading.
*/
static void i810ShadeModel(GLcontext *ctx, GLenum mode)
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
if (mode == GL_FLAT)
imesa->Setup[I810_CTXREG_LCS] |= LCS_INTERP_FLAT;
else
imesa->Setup[I810_CTXREG_LCS] &= ~LCS_INTERP_FLAT;
}
/* =============================================================
* Fog
*/
static void i810Fogfv(GLcontext *ctx, GLenum pname, const GLfloat *param)
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
if (pname == GL_FOG_COLOR) {
GLuint color = (((GLubyte)(ctx->Fog.Color[0]*255.0F) << 16) |
((GLubyte)(ctx->Fog.Color[1]*255.0F) << 8) |
((GLubyte)(ctx->Fog.Color[2]*255.0F) << 0));
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_FOG] = ((GFX_OP_FOG_COLOR | color) &
~FOG_RESERVED_MASK);
}
}
/* =============================================================
*/
static void i810Enable(GLcontext *ctx, GLenum cap, GLboolean state)
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
switch(cap) {
case GL_ALPHA_TEST:
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_B1] &= ~B1_ALPHA_TEST_ENABLE;
if (state)
imesa->Setup[I810_CTXREG_B1] |= B1_ALPHA_TEST_ENABLE;
break;
case GL_BLEND:
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_B1] &= ~B1_BLEND_ENABLE;
if (state)
imesa->Setup[I810_CTXREG_B1] |= B1_BLEND_ENABLE;
/* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
*/
FALLBACK( imesa, I810_FALLBACK_LOGICOP,
(ctx->Color.ColorLogicOpEnabled &&
ctx->Color.LogicOp != GL_COPY));
break;
case GL_DEPTH_TEST:
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_B1] &= ~B1_Z_TEST_ENABLE;
if (state)
imesa->Setup[I810_CTXREG_B1] |= B1_Z_TEST_ENABLE;
break;
case GL_SCISSOR_TEST:
/* XXX without these next two lines, conform's scissor test fails */
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
I810_STATECHANGE(imesa, I810_UPLOAD_BUFFERS);
I810_FIREVERTICES(imesa); /* don't pipeline cliprect changes */
imesa->upload_cliprects = GL_TRUE;
imesa->scissor = state;
break;
case GL_POLYGON_STIPPLE:
if (imesa->stipple_in_hw && imesa->reduced_primitive == GL_TRIANGLES)
{
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_ST1] &= ~ST1_ENABLE;
if (state)
imesa->Setup[I810_CTXREG_ST1] |= ST1_ENABLE;
}
break;
case GL_LINE_SMOOTH:
/* Need to fatten the lines by .5, or they disappear...
*/
if (imesa->reduced_primitive == GL_LINES) {
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_AA] &= ~AA_ENABLE;
imesa->Setup[I810_CTXREG_LCS] &= ~LCS_LINEWIDTH_0_5;
if (state) {
imesa->Setup[I810_CTXREG_AA] |= AA_ENABLE;
imesa->Setup[I810_CTXREG_LCS] |= LCS_LINEWIDTH_0_5;
}
}
break;
case GL_POINT_SMOOTH:
if (imesa->reduced_primitive == GL_POINTS) {
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_AA] &= ~AA_ENABLE;
imesa->Setup[I810_CTXREG_LCS] &= ~LCS_LINEWIDTH_0_5;
if (state) {
imesa->Setup[I810_CTXREG_AA] |= AA_ENABLE;
imesa->Setup[I810_CTXREG_LCS] |= LCS_LINEWIDTH_0_5;
}
}
break;
case GL_POLYGON_SMOOTH:
if (imesa->reduced_primitive == GL_TRIANGLES) {
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_AA] &= ~AA_ENABLE;
if (state)
imesa->Setup[I810_CTXREG_AA] |= AA_ENABLE;
}
break;
case GL_FOG:
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_B1] &= ~B1_FOG_ENABLE;
if (state)
imesa->Setup[I810_CTXREG_B1] |= B1_FOG_ENABLE;
break;
case GL_CULL_FACE:
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
imesa->Setup[I810_CTXREG_LCS] &= ~LCS_CULL_MASK;
if (state)
imesa->Setup[I810_CTXREG_LCS] |= imesa->LcsCullMode;
else
imesa->Setup[I810_CTXREG_LCS] |= LCS_CULL_DISABLE;
break;
case GL_TEXTURE_2D:
case GL_TEXTURE_RECTANGLE_NV:
I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
if (ctx->Texture.CurrentUnit == 0) {
imesa->Setup[I810_CTXREG_MT] &= ~MT_TEXEL0_ENABLE;
if (state)
imesa->Setup[I810_CTXREG_MT] |= MT_TEXEL0_ENABLE;
} else {
imesa->Setup[I810_CTXREG_MT] &= ~MT_TEXEL1_ENABLE;
if (state)
imesa->Setup[I810_CTXREG_MT] |= MT_TEXEL1_ENABLE;
}
break;
case GL_COLOR_LOGIC_OP:
FALLBACK( imesa, I810_FALLBACK_LOGICOP,
(state && ctx->Color.LogicOp != GL_COPY));
break;
case GL_STENCIL_TEST:
FALLBACK( imesa, I810_FALLBACK_STENCIL, state );
break;
default:
;
}
}
/* =============================================================
*/
void i810EmitDrawingRectangle( i810ContextPtr imesa )
{
__DRIdrawablePrivate *dPriv = imesa->driDrawable;
i810ScreenPrivate *i810Screen = imesa->i810Screen;
int x0 = imesa->drawX;
int y0 = imesa->drawY;
int x1 = x0 + dPriv->w;
int y1 = y0 + dPriv->h;
GLuint dr2, dr3, dr4;
/* Coordinate origin of the window - may be offscreen.
*/
dr4 = imesa->BufferSetup[I810_DESTREG_DR4] = ((y0<<16) |
(((unsigned)x0)&0xFFFF));
/* Clip to screen.
*/
if (x0 < 0) x0 = 0;
if (y0 < 0) y0 = 0;
if (x1 > i810Screen->width-1) x1 = i810Screen->width-1;
if (y1 > i810Screen->height-1) y1 = i810Screen->height-1;
/* Onscreen drawing rectangle.
*/
dr2 = imesa->BufferSetup[I810_DESTREG_DR2] = ((y0<<16) | x0);
dr3 = imesa->BufferSetup[I810_DESTREG_DR3] = (((y1+1)<<16) | (x1+1));
imesa->dirty |= I810_UPLOAD_BUFFERS;
}
static void i810CalcViewport( GLcontext *ctx )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
const GLfloat *v = ctx->Viewport._WindowMap.m;
GLfloat *m = imesa->ViewportMatrix.m;
/* See also i810_translate_vertex. SUBPIXEL adjustments can be done
* via state vars, too.
*/
m[MAT_SX] = v[MAT_SX];
m[MAT_TX] = v[MAT_TX] + SUBPIXEL_X;
m[MAT_SY] = - v[MAT_SY];
m[MAT_TY] = - v[MAT_TY] + imesa->driDrawable->h + SUBPIXEL_Y;
m[MAT_SZ] = v[MAT_SZ] * (1.0 / 0xffff);
m[MAT_TZ] = v[MAT_TZ] * (1.0 / 0xffff);
}
static void i810Viewport( GLcontext *ctx,
GLint x, GLint y,
GLsizei width, GLsizei height )
{
i810CalcViewport( ctx );
}
static void i810DepthRange( GLcontext *ctx,
GLclampd nearval, GLclampd farval )
{
i810CalcViewport( ctx );
}
void i810PrintDirty( const char *msg, GLuint state )
{
fprintf(stderr, "%s (0x%x): %s%s%s%s\n",
msg,
(unsigned int) state,
(state & I810_UPLOAD_TEX0) ? "upload-tex0, " : "",
(state & I810_UPLOAD_TEX1) ? "upload-tex1, " : "",
(state & I810_UPLOAD_CTX) ? "upload-ctx, " : "",
(state & I810_UPLOAD_BUFFERS) ? "upload-bufs, " : ""
);
}
void i810InitState( GLcontext *ctx )
{
i810ContextPtr imesa = I810_CONTEXT(ctx);
i810ScreenPrivate *i810Screen = imesa->i810Screen;
memset(imesa->Setup, 0, sizeof(imesa->Setup));
imesa->Setup[I810_CTXREG_VF] = 0;
imesa->Setup[I810_CTXREG_MT] = (GFX_OP_MAP_TEXELS |
MT_UPDATE_TEXEL1_STATE |
MT_TEXEL1_COORD1 |
MT_TEXEL1_MAP1 |
MT_TEXEL1_DISABLE |
MT_UPDATE_TEXEL0_STATE |
MT_TEXEL0_COORD0 |
MT_TEXEL0_MAP0 |
MT_TEXEL0_DISABLE);
imesa->Setup[I810_CTXREG_MC0] = ( GFX_OP_MAP_COLOR_STAGES |
MC_STAGE_0 |
MC_UPDATE_DEST |
MC_DEST_CURRENT |
MC_UPDATE_ARG1 |
((MC_ARG_ITERATED_COLOR |
MC_ARG_DONT_REPLICATE_ALPHA |
MC_ARG_DONT_INVERT) << MC_ARG1_SHIFT) |
MC_UPDATE_ARG2 |
((MC_ARG_ONE |
MC_ARG_DONT_REPLICATE_ALPHA |
MC_ARG_DONT_INVERT) << MC_ARG2_SHIFT) |
MC_UPDATE_OP |
MC_OP_ARG1 );
imesa->Setup[I810_CTXREG_MC1] = ( GFX_OP_MAP_COLOR_STAGES |
MC_STAGE_1 |
MC_UPDATE_DEST |
MC_DEST_CURRENT |
MC_UPDATE_ARG1 |
((MC_ARG_ONE |
MC_ARG_DONT_REPLICATE_ALPHA |
MC_ARG_DONT_INVERT) << MC_ARG1_SHIFT) |
MC_UPDATE_ARG2 |
((MC_ARG_ONE |
MC_ARG_DONT_REPLICATE_ALPHA |
MC_ARG_DONT_INVERT) << MC_ARG2_SHIFT) |
MC_UPDATE_OP |
MC_OP_DISABLE );
imesa->Setup[I810_CTXREG_MC2] = ( GFX_OP_MAP_COLOR_STAGES |
MC_STAGE_2 |
MC_UPDATE_DEST |
MC_DEST_CURRENT |
MC_UPDATE_ARG1 |
((MC_ARG_CURRENT_COLOR |
MC_ARG_REPLICATE_ALPHA |
MC_ARG_DONT_INVERT) << MC_ARG1_SHIFT) |
MC_UPDATE_ARG2 |
((MC_ARG_ONE |
MC_ARG_DONT_REPLICATE_ALPHA |
MC_ARG_DONT_INVERT) << MC_ARG2_SHIFT) |
MC_UPDATE_OP |
MC_OP_DISABLE );
imesa->Setup[I810_CTXREG_MA0] = ( GFX_OP_MAP_ALPHA_STAGES |
MA_STAGE_0 |
MA_UPDATE_ARG1 |
((MA_ARG_ITERATED_ALPHA |
MA_ARG_DONT_INVERT) << MA_ARG1_SHIFT) |
MA_UPDATE_ARG2 |
((MA_ARG_CURRENT_ALPHA |
MA_ARG_DONT_INVERT) << MA_ARG2_SHIFT) |
MA_UPDATE_OP |
MA_OP_ARG1 );
imesa->Setup[I810_CTXREG_MA1] = ( GFX_OP_MAP_ALPHA_STAGES |
MA_STAGE_1 |
MA_UPDATE_ARG1 |
((MA_ARG_CURRENT_ALPHA |
MA_ARG_DONT_INVERT) << MA_ARG1_SHIFT) |
MA_UPDATE_ARG2 |
((MA_ARG_CURRENT_ALPHA |
MA_ARG_DONT_INVERT) << MA_ARG2_SHIFT) |
MA_UPDATE_OP |
MA_OP_ARG1 );
imesa->Setup[I810_CTXREG_MA2] = ( GFX_OP_MAP_ALPHA_STAGES |
MA_STAGE_2 |
MA_UPDATE_ARG1 |
((MA_ARG_CURRENT_ALPHA |
MA_ARG_DONT_INVERT) << MA_ARG1_SHIFT) |
MA_UPDATE_ARG2 |
((MA_ARG_CURRENT_ALPHA |
MA_ARG_DONT_INVERT) << MA_ARG2_SHIFT) |
MA_UPDATE_OP |
MA_OP_ARG1 );
imesa->Setup[I810_CTXREG_SDM] = ( GFX_OP_SRC_DEST_MONO |
SDM_UPDATE_MONO_ENABLE |
0 |
SDM_UPDATE_SRC_BLEND |
SDM_SRC_ONE |
SDM_UPDATE_DST_BLEND |
SDM_DST_ZERO );
/* Use for colormask:
*/
imesa->Setup[I810_CTXREG_CF0] = GFX_OP_COLOR_FACTOR;
imesa->Setup[I810_CTXREG_CF1] = 0xffffffff;
imesa->Setup[I810_CTXREG_ZA] = (GFX_OP_ZBIAS_ALPHAFUNC |
ZA_UPDATE_ALPHAFUNC |
ZA_ALPHA_ALWAYS |
ZA_UPDATE_ZBIAS |
0 |
ZA_UPDATE_ALPHAREF |
0x0);
imesa->Setup[I810_CTXREG_FOG] = (GFX_OP_FOG_COLOR |
(0xffffff & ~FOG_RESERVED_MASK));
/* Choose a pipe
*/
imesa->Setup[I810_CTXREG_B1] = ( GFX_OP_BOOL_1 |
B1_UPDATE_SPEC_SETUP_ENABLE |
0 |
B1_UPDATE_ALPHA_SETUP_ENABLE |
B1_ALPHA_SETUP_ENABLE |
B1_UPDATE_CI_KEY_ENABLE |
0 |
B1_UPDATE_CHROMAKEY_ENABLE |
0 |
B1_UPDATE_Z_BIAS_ENABLE |
0 |
B1_UPDATE_SPEC_ENABLE |
0 |
B1_UPDATE_FOG_ENABLE |
0 |
B1_UPDATE_ALPHA_TEST_ENABLE |
0 |
B1_UPDATE_BLEND_ENABLE |
0 |
B1_UPDATE_Z_TEST_ENABLE |
0 );
imesa->Setup[I810_CTXREG_B2] = ( GFX_OP_BOOL_2 |
B2_UPDATE_MAP_CACHE_ENABLE |
B2_MAP_CACHE_ENABLE |
B2_UPDATE_ALPHA_DITHER_ENABLE |
0 |
B2_UPDATE_FOG_DITHER_ENABLE |
0 |
B2_UPDATE_SPEC_DITHER_ENABLE |
0 |
B2_UPDATE_RGB_DITHER_ENABLE |
B2_RGB_DITHER_ENABLE |
B2_UPDATE_FB_WRITE_ENABLE |
B2_FB_WRITE_ENABLE |
B2_UPDATE_ZB_WRITE_ENABLE |
B2_ZB_WRITE_ENABLE );
imesa->Setup[I810_CTXREG_LCS] = ( GFX_OP_LINEWIDTH_CULL_SHADE_MODE |
LCS_UPDATE_ZMODE |
LCS_Z_LESS |
LCS_UPDATE_LINEWIDTH |
LCS_LINEWIDTH_1_0 |
LCS_UPDATE_ALPHA_INTERP |
LCS_ALPHA_INTERP |
LCS_UPDATE_FOG_INTERP |
0 |
LCS_UPDATE_SPEC_INTERP |
0 |
LCS_UPDATE_RGB_INTERP |
LCS_RGB_INTERP |
LCS_UPDATE_CULL_MODE |
LCS_CULL_DISABLE);
imesa->LcsCullMode = LCS_CULL_CW;
imesa->LcsLineWidth = LCS_LINEWIDTH_1_0;
imesa->LcsPointSize = LCS_LINEWIDTH_1_0;
imesa->Setup[I810_CTXREG_PV] = ( GFX_OP_PV_RULE |
PV_UPDATE_PIXRULE |
PV_PIXRULE_ENABLE |
PV_UPDATE_LINELIST |
PV_LINELIST_PV1 |
PV_UPDATE_TRIFAN |
PV_TRIFAN_PV2 |
PV_UPDATE_TRISTRIP |
PV_TRISTRIP_PV2 );
imesa->Setup[I810_CTXREG_ST0] = GFX_OP_STIPPLE;
imesa->Setup[I810_CTXREG_ST1] = 0;
imesa->Setup[I810_CTXREG_AA] = ( GFX_OP_ANTIALIAS |
AA_UPDATE_EDGEFLAG |
0 |
AA_UPDATE_POLYWIDTH |
AA_POLYWIDTH_05 |
AA_UPDATE_LINEWIDTH |
AA_LINEWIDTH_05 |
AA_UPDATE_BB_EXPANSION |
0 |
AA_UPDATE_AA_ENABLE |
0 );
memset(imesa->BufferSetup, 0, sizeof(imesa->BufferSetup));
imesa->BufferSetup[I810_DESTREG_DI0] = CMD_OP_DESTBUFFER_INFO;
if (imesa->glCtx->Visual.doubleBufferMode && imesa->sarea->pf_current_page == 0) {
/* use back buffer by default */
imesa->BufferSetup[I810_DESTREG_DI1] = (i810Screen->backOffset |
i810Screen->backPitchBits);
} else {
/* use front buffer by default */
imesa->BufferSetup[I810_DESTREG_DI1] = (i810Screen->fbOffset |
i810Screen->backPitchBits);
}
imesa->BufferSetup[I810_DESTREG_DV0] = GFX_OP_DESTBUFFER_VARS;
imesa->BufferSetup[I810_DESTREG_DV1] = (DV_HORG_BIAS_OGL |
DV_VORG_BIAS_OGL |
i810Screen->fbFormat);
imesa->BufferSetup[I810_DESTREG_DR0] = GFX_OP_DRAWRECT_INFO;
imesa->BufferSetup[I810_DESTREG_DR1] = DR1_RECT_CLIP_ENABLE;
}
static void i810InvalidateState( GLcontext *ctx, GLuint new_state )
{
_swrast_InvalidateState( ctx, new_state );
_swsetup_InvalidateState( ctx, new_state );
_vbo_InvalidateState( ctx, new_state );
_tnl_InvalidateState( ctx, new_state );
I810_CONTEXT(ctx)->new_state |= new_state;
}
void i810InitStateFuncs(GLcontext *ctx)
{
/* Callbacks for internal Mesa events.
*/
ctx->Driver.UpdateState = i810InvalidateState;
/* API callbacks
*/
ctx->Driver.AlphaFunc = i810AlphaFunc;
ctx->Driver.BlendEquationSeparate = i810BlendEquationSeparate;
ctx->Driver.BlendFuncSeparate = i810BlendFuncSeparate;
ctx->Driver.ClearColor = i810ClearColor;
ctx->Driver.ColorMask = i810ColorMask;
ctx->Driver.CullFace = i810CullFaceFrontFace;
ctx->Driver.DepthFunc = i810DepthFunc;
ctx->Driver.DepthMask = i810DepthMask;
ctx->Driver.Enable = i810Enable;
ctx->Driver.Fogfv = i810Fogfv;
ctx->Driver.FrontFace = i810CullFaceFrontFace;
ctx->Driver.LineWidth = i810LineWidth;
ctx->Driver.LogicOpcode = i810LogicOp;
ctx->Driver.PolygonStipple = i810PolygonStipple;
ctx->Driver.RenderMode = i810RenderMode;
ctx->Driver.Scissor = i810Scissor;
ctx->Driver.DrawBuffer = i810DrawBuffer;
ctx->Driver.ReadBuffer = i810ReadBuffer;
ctx->Driver.ShadeModel = i810ShadeModel;
ctx->Driver.DepthRange = i810DepthRange;
ctx->Driver.Viewport = i810Viewport;
ctx->Driver.PointSize = i810PointSize;
if (IS_I815(I810_CONTEXT(ctx))) {
ctx->Driver.LightModelfv = i810LightModelfv_i815;
} else {
ctx->Driver.LightModelfv = i810LightModelfv;
}
}