X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fviewport.c;h=bd580446f7620d174530493e211721c739f2d616;hb=e70d0d22a2dccc1df2c88890a2964491cdafac94;hp=d6a9e290a4a297487799e1a8b04e260735f6404d;hpb=34a3c97fe6d273d68d2ee80386791832824f3211;p=mesa.git diff --git a/src/mesa/main/viewport.c b/src/mesa/main/viewport.c index d6a9e290a4a..bd580446f76 100644 --- a/src/mesa/main/viewport.c +++ b/src/mesa/main/viewport.c @@ -40,8 +40,6 @@ set_viewport_no_notify(struct gl_context *ctx, unsigned idx, GLfloat x, GLfloat y, GLfloat width, GLfloat height) { - double scale[3], translate[3]; - /* clamp width and height to the implementation dependent range */ width = MIN2(width, (GLfloat) ctx->Const.MaxViewportWidth); height = MIN2(height, (GLfloat) ctx->Const.MaxViewportHeight); @@ -54,7 +52,9 @@ set_viewport_no_notify(struct gl_context *ctx, unsigned idx, * determined by calling GetFloatv with the symbolic constant * VIEWPORT_BOUNDS_RANGE (see section 6.1)." */ - if (ctx->Extensions.ARB_viewport_array) { + if (ctx->Extensions.ARB_viewport_array || + (ctx->Extensions.OES_viewport_array && + _mesa_is_gles31(ctx))) { x = CLAMP(x, ctx->Const.ViewportBounds.Min, ctx->Const.ViewportBounds.Max); y = CLAMP(y, @@ -72,16 +72,6 @@ set_viewport_no_notify(struct gl_context *ctx, unsigned idx, ctx->ViewportArray[idx].Y = y; ctx->ViewportArray[idx].Height = height; ctx->NewState |= _NEW_VIEWPORT; - -#if 1 - /* XXX remove this someday. Currently the DRI drivers rely on - * the WindowMap matrix being up to date in the driver's Viewport - * and DepthRange functions. - */ - _mesa_get_viewport_xform(ctx, idx, scale, translate); - _math_matrix_viewport(&ctx->ViewportArray[idx]._WindowMap, - scale, translate, ctx->DrawBuffer->_DepthMaxF); -#endif } struct gl_viewport_inputs { @@ -140,8 +130,8 @@ _mesa_Viewport(GLint x, GLint y, GLsizei width, GLsizei height) /** - * Set new viewport parameters and update derived state (the _WindowMap - * matrix). Usually called from _mesa_Viewport(). + * Set new viewport parameters and update derived state. + * Usually called from _mesa_Viewport(). * * \param ctx GL context. * \param idx Index of the viewport to be updated. @@ -246,8 +236,6 @@ static void set_depth_range_no_notify(struct gl_context *ctx, unsigned idx, GLclampd nearval, GLclampd farval) { - double scale[3], translate[3]; - if (ctx->ViewportArray[idx].Near == nearval && ctx->ViewportArray[idx].Far == farval) return; @@ -255,16 +243,6 @@ set_depth_range_no_notify(struct gl_context *ctx, unsigned idx, ctx->ViewportArray[idx].Near = CLAMP(nearval, 0.0, 1.0); ctx->ViewportArray[idx].Far = CLAMP(farval, 0.0, 1.0); ctx->NewState |= _NEW_VIEWPORT; - -#if 1 - /* XXX remove this someday. Currently the DRI drivers rely on - * the WindowMap matrix being up to date in the driver's Viewport - * and DepthRange functions. - */ - _mesa_get_viewport_xform(ctx, idx, scale, translate); - _math_matrix_viewport(&ctx->ViewportArray[idx]._WindowMap, - scale, translate, ctx->DrawBuffer->_DepthMaxF); -#endif } void @@ -354,6 +332,29 @@ _mesa_DepthRangeArrayv(GLuint first, GLsizei count, const GLclampd *v) ctx->Driver.DepthRange(ctx); } +void GLAPIENTRY +_mesa_DepthRangeArrayfvOES(GLuint first, GLsizei count, const GLfloat *v) +{ + int i; + GET_CURRENT_CONTEXT(ctx); + + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "glDepthRangeArrayfv %d %d\n", first, count); + + if ((first + count) > ctx->Const.MaxViewports) { + _mesa_error(ctx, GL_INVALID_VALUE, + "glDepthRangeArrayfv: first (%d) + count (%d) >= MaxViewports (%d)", + first, count, ctx->Const.MaxViewports); + return; + } + + for (i = 0; i < count; i++) + set_depth_range_no_notify(ctx, i + first, v[i * 2], v[i * 2 + 1]); + + if (ctx->Driver.DepthRange) + ctx->Driver.DepthRange(ctx); +} + /** * Update a single DepthRange * @@ -382,13 +383,18 @@ _mesa_DepthRangeIndexed(GLuint index, GLclampd nearval, GLclampd farval) _mesa_set_depth_range(ctx, index, nearval, farval); } +void GLAPIENTRY +_mesa_DepthRangeIndexedfOES(GLuint index, GLfloat nearval, GLfloat farval) +{ + _mesa_DepthRangeIndexed(index, nearval, farval); +} + /** * Initialize the context viewport attribute group. * \param ctx the GL context. */ void _mesa_init_viewport(struct gl_context *ctx) { - GLfloat depthMax = 65535.0F; /* sorf of arbitrary */ unsigned i; ctx->Transform.ClipOrigin = GL_LOWER_LEFT; @@ -398,8 +404,6 @@ void _mesa_init_viewport(struct gl_context *ctx) * so just initialize all of them. */ for (i = 0; i < MAX_VIEWPORTS; i++) { - double scale[3], translate[3]; - /* Viewport group */ ctx->ViewportArray[i].X = 0; ctx->ViewportArray[i].Y = 0; @@ -407,27 +411,10 @@ void _mesa_init_viewport(struct gl_context *ctx) ctx->ViewportArray[i].Height = 0; ctx->ViewportArray[i].Near = 0.0; ctx->ViewportArray[i].Far = 1.0; - _math_matrix_ctr(&ctx->ViewportArray[i]._WindowMap); - - _mesa_get_viewport_xform(ctx, i, scale, translate); - _math_matrix_viewport(&ctx->ViewportArray[i]._WindowMap, - scale, translate, depthMax); } } -/** - * Free the context viewport attribute group data. - * \param ctx the GL context. - */ -void _mesa_free_viewport_data(struct gl_context *ctx) -{ - unsigned i; - - for (i = 0; i < MAX_VIEWPORTS; i++) - _math_matrix_dtr(&ctx->ViewportArray[i]._WindowMap); -} - extern void GLAPIENTRY _mesa_ClipControl(GLenum origin, GLenum depth) { @@ -435,8 +422,8 @@ _mesa_ClipControl(GLenum origin, GLenum depth) if (MESA_VERBOSE&VERBOSE_API) _mesa_debug(ctx, "glClipControl(%s, %s)\n", - _mesa_lookup_enum_by_nr(origin), - _mesa_lookup_enum_by_nr(depth)); + _mesa_enum_to_string(origin), + _mesa_enum_to_string(depth)); ASSERT_OUTSIDE_BEGIN_END(ctx); @@ -459,15 +446,14 @@ _mesa_ClipControl(GLenum origin, GLenum depth) ctx->Transform.ClipDepthMode == depth) return; - FLUSH_VERTICES(ctx, 0); + /* Affects transform state and the viewport transform */ + FLUSH_VERTICES(ctx, _NEW_TRANSFORM | _NEW_VIEWPORT); if (ctx->Transform.ClipOrigin != origin) { ctx->Transform.ClipOrigin = origin; /* Affects the winding order of the front face. */ ctx->NewState |= _NEW_POLYGON; - /* Affects the y component of the viewport transform. */ - ctx->NewState |= _NEW_VIEWPORT; if (ctx->Driver.FrontFace) ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace); @@ -476,9 +462,6 @@ _mesa_ClipControl(GLenum origin, GLenum depth) if (ctx->Transform.ClipDepthMode != depth) { ctx->Transform.ClipDepthMode = depth; - /* Affects the z part of the viewpoint transform. */ - ctx->NewState |= _NEW_VIEWPORT; - if (ctx->Driver.DepthRange) ctx->Driver.DepthRange(ctx); } @@ -491,12 +474,12 @@ _mesa_ClipControl(GLenum origin, GLenum depth) */ void _mesa_get_viewport_xform(struct gl_context *ctx, unsigned i, - double scale[3], double translate[3]) + float scale[3], float translate[3]) { - double x = ctx->ViewportArray[i].X; - double y = ctx->ViewportArray[i].Y; - double half_width = 0.5*ctx->ViewportArray[i].Width; - double half_height = 0.5*ctx->ViewportArray[i].Height; + float x = ctx->ViewportArray[i].X; + float y = ctx->ViewportArray[i].Y; + float half_width = 0.5f * ctx->ViewportArray[i].Width; + float half_height = 0.5f * ctx->ViewportArray[i].Height; double n = ctx->ViewportArray[i].Near; double f = ctx->ViewportArray[i].Far; @@ -504,14 +487,14 @@ _mesa_get_viewport_xform(struct gl_context *ctx, unsigned i, translate[0] = half_width + x; if (ctx->Transform.ClipOrigin == GL_UPPER_LEFT) { scale[1] = -half_height; - translate[1] = half_height - y; } else { scale[1] = half_height; - translate[1] = half_height + y; } + translate[1] = half_height + y; + if (ctx->Transform.ClipDepthMode == GL_NEGATIVE_ONE_TO_ONE) { - scale[2] = 0.5*(f - n); - translate[2] = 0.5*(n + f); + scale[2] = 0.5 * (f - n); + translate[2] = 0.5 * (n + f); } else { scale[2] = f - n; translate[2] = n;